20164134560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{161779}}^1$

素因数の和:161854

約数の個数: 96

約数和(自身を含む): 51368385600

約数和(自身を除く): 31204251040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 76, 80, 82, 95, 152, 160, 164, 190, 205, 304, 328, 380, 410, 608, 656, 760, 779, 820, 1312, 1520, 1558, 1640, 3040, 3116, 3280, 3895, 6232, 6560, 7790, 12464, 15580, 24928, 31160, 62320, 124640, 161779, 323558, 647116, 808895, 1294232, 1617790, 2588464, 3073801, 3235580, 5176928, 6147602, 6471160, 6632939, 12295204, 12942320, 13265878, 15369005, 24590408, 25884640, 26531756, 30738010, 33164695, 49180816, 53063512, 61476020, 66329390, 98361632, 106127024, 122952040, 126025841, 132658780, 212254048, 245904080, 252051682, 265317560, 491808160, 504103364, 530635120, 630129205, 1008206728, 1061270240, 1260258410, 2016413456, 2520516820, 4032826912, 5041033640, 10082067280, 20164134560]

約数ペア:

[(1, 20164134560), (2, 10082067280), (4, 5041033640), (5, 4032826912), (8, 2520516820), (10, 2016413456), (16, 1260258410), (19, 1061270240), (20, 1008206728), (32, 630129205), (38, 530635120), (40, 504103364), (41, 491808160), (76, 265317560), (80, 252051682), (82, 245904080), (95, 212254048), (152, 132658780), (160, 126025841), (164, 122952040), (190, 106127024), (205, 98361632), (304, 66329390), (328, 61476020), (380, 53063512), (410, 49180816), (608, 33164695), (656, 30738010), (760, 26531756), (779, 25884640), (820, 24590408), (1312, 15369005), (1520, 13265878), (1558, 12942320), (1640, 12295204), (3040, 6632939), (3116, 6471160), (3280, 6147602), (3895, 5176928), (6232, 3235580), (6560, 3073801), (7790, 2588464), (12464, 1617790), (15580, 1294232), (24928, 808895), (31160, 647116), (62320, 323558), (124640, 161779)]