20124411520

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{1811}}^1$

素因数の和:2106

約数の個数: 128

約数和(自身を含む): 48904430400

約数和(自身を除く): 28780018880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 179, 194, 320, 358, 388, 485, 640, 716, 776, 895, 970, 1432, 1552, 1790, 1811, 1940, 2864, 3104, 3580, 3622, 3880, 5728, 6208, 7160, 7244, 7760, 9055, 11456, 12416, 14320, 14488, 15520, 17363, 18110, 22912, 28640, 28976, 31040, 34726, 36220, 57280, 57952, 62080, 69452, 72440, 86815, 114560, 115904, 138904, 144880, 173630, 175667, 231808, 277808, 289760, 324169, 347260, 351334, 555616, 579520, 648338, 694520, 702668, 878335, 1111232, 1159040, 1296676, 1389040, 1405336, 1620845, 1756670, 2222464, 2593352, 2778080, 2810672, 3241690, 3513340, 5186704, 5556160, 5621344, 6483380, 7026680, 10373408, 11112320, 11242688, 12966760, 14053360, 20746816, 22485376, 25933520, 28106720, 31444393, 41493632, 51867040, 56213440, 62888786, 103734080, 112426880, 125777572, 157221965, 207468160, 251555144, 314443930, 503110288, 628887860, 1006220576, 1257775720, 2012441152, 2515551440, 4024882304, 5031102880, 10062205760, 20124411520]

約数ペア:

[(1, 20124411520), (2, 10062205760), (4, 5031102880), (5, 4024882304), (8, 2515551440), (10, 2012441152), (16, 1257775720), (20, 1006220576), (32, 628887860), (40, 503110288), (64, 314443930), (80, 251555144), (97, 207468160), (128, 157221965), (160, 125777572), (179, 112426880), (194, 103734080), (320, 62888786), (358, 56213440), (388, 51867040), (485, 41493632), (640, 31444393), (716, 28106720), (776, 25933520), (895, 22485376), (970, 20746816), (1432, 14053360), (1552, 12966760), (1790, 11242688), (1811, 11112320), (1940, 10373408), (2864, 7026680), (3104, 6483380), (3580, 5621344), (3622, 5556160), (3880, 5186704), (5728, 3513340), (6208, 3241690), (7160, 2810672), (7244, 2778080), (7760, 2593352), (9055, 2222464), (11456, 1756670), (12416, 1620845), (14320, 1405336), (14488, 1389040), (15520, 1296676), (17363, 1159040), (18110, 1111232), (22912, 878335), (28640, 702668), (28976, 694520), (31040, 648338), (34726, 579520), (36220, 555616), (57280, 351334), (57952, 347260), (62080, 324169), (69452, 289760), (72440, 277808), (86815, 231808), (114560, 175667), (115904, 173630), (138904, 144880)]