25197040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 68276880

約数和(自身を除く): 43079840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 137, 152, 176, 190, 209, 220, 242, 274, 304, 380, 418, 440, 484, 548, 605, 685, 760, 836, 880, 968, 1045, 1096, 1210, 1370, 1507, 1520, 1672, 1936, 2090, 2192, 2299, 2420, 2603, 2740, 3014, 3344, 4180, 4598, 4840, 5206, 5480, 6028, 7535, 8360, 9196, 9680, 10412, 10960, 11495, 12056, 13015, 15070, 16577, 16720, 18392, 20824, 22990, 24112, 26030, 28633, 30140, 33154, 36784, 41648, 45980, 52060, 57266, 60280, 66308, 82885, 91960, 104120, 114532, 120560, 132616, 143165, 165770, 183920, 208240, 229064, 265232, 286330, 314963, 331540, 458128, 572660, 629926, 663080, 1145320, 1259852, 1326160, 1574815, 2290640, 2519704, 3149630, 5039408, 6299260, 12598520, 25197040]

約数ペア:

[(1, 25197040), (2, 12598520), (4, 6299260), (5, 5039408), (8, 3149630), (10, 2519704), (11, 2290640), (16, 1574815), (19, 1326160), (20, 1259852), (22, 1145320), (38, 663080), (40, 629926), (44, 572660), (55, 458128), (76, 331540), (80, 314963), (88, 286330), (95, 265232), (110, 229064), (121, 208240), (137, 183920), (152, 165770), (176, 143165), (190, 132616), (209, 120560), (220, 114532), (242, 104120), (274, 91960), (304, 82885), (380, 66308), (418, 60280), (440, 57266), (484, 52060), (548, 45980), (605, 41648), (685, 36784), (760, 33154), (836, 30140), (880, 28633), (968, 26030), (1045, 24112), (1096, 22990), (1210, 20824), (1370, 18392), (1507, 16720), (1520, 16577), (1672, 15070), (1936, 13015), (2090, 12056), (2192, 11495), (2299, 10960), (2420, 10412), (2603, 9680), (2740, 9196), (3014, 8360), (3344, 7535), (4180, 6028), (4598, 5480), (4840, 5206)]