50664640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:690

約数の個数: 112

約数和(自身を含む): 136977120

約数和(自身を除く): 86312480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 641, 760, 832, 988, 1040, 1216, 1235, 1282, 1520, 1976, 2080, 2470, 2564, 3040, 3205, 3952, 4160, 4940, 5128, 6080, 6410, 7904, 8333, 9880, 10256, 12179, 12820, 15808, 16666, 19760, 20512, 24358, 25640, 33332, 39520, 41024, 41665, 48716, 51280, 60895, 66664, 79040, 83330, 97432, 102560, 121790, 133328, 158327, 166660, 194864, 205120, 243580, 266656, 316654, 333320, 389728, 487160, 533312, 633308, 666640, 779456, 791635, 974320, 1266616, 1333280, 1583270, 1948640, 2533232, 2666560, 3166540, 3897280, 5066464, 6333080, 10132928, 12666160, 25332320, 50664640]

約数ペア:

[(1, 50664640), (2, 25332320), (4, 12666160), (5, 10132928), (8, 6333080), (10, 5066464), (13, 3897280), (16, 3166540), (19, 2666560), (20, 2533232), (26, 1948640), (32, 1583270), (38, 1333280), (40, 1266616), (52, 974320), (64, 791635), (65, 779456), (76, 666640), (80, 633308), (95, 533312), (104, 487160), (130, 389728), (152, 333320), (160, 316654), (190, 266656), (208, 243580), (247, 205120), (260, 194864), (304, 166660), (320, 158327), (380, 133328), (416, 121790), (494, 102560), (520, 97432), (608, 83330), (641, 79040), (760, 66664), (832, 60895), (988, 51280), (1040, 48716), (1216, 41665), (1235, 41024), (1282, 39520), (1520, 33332), (1976, 25640), (2080, 24358), (2470, 20512), (2564, 19760), (3040, 16666), (3205, 15808), (3952, 12820), (4160, 12179), (4940, 10256), (5128, 9880), (6080, 8333), (6410, 7904)]