810160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:86

約数の個数: 80

約数和(自身を含む): 2187360

約数和(自身を除く): 1377200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 41, 52, 65, 76, 80, 82, 95, 104, 130, 152, 164, 190, 205, 208, 247, 260, 304, 328, 380, 410, 494, 520, 533, 656, 760, 779, 820, 988, 1040, 1066, 1235, 1520, 1558, 1640, 1976, 2132, 2470, 2665, 3116, 3280, 3895, 3952, 4264, 4940, 5330, 6232, 7790, 8528, 9880, 10127, 10660, 12464, 15580, 19760, 20254, 21320, 31160, 40508, 42640, 50635, 62320, 81016, 101270, 162032, 202540, 405080, 810160]

約数ペア:

[(1, 810160), (2, 405080), (4, 202540), (5, 162032), (8, 101270), (10, 81016), (13, 62320), (16, 50635), (19, 42640), (20, 40508), (26, 31160), (38, 21320), (40, 20254), (41, 19760), (52, 15580), (65, 12464), (76, 10660), (80, 10127), (82, 9880), (95, 8528), (104, 7790), (130, 6232), (152, 5330), (164, 4940), (190, 4264), (205, 3952), (208, 3895), (247, 3280), (260, 3116), (304, 2665), (328, 2470), (380, 2132), (410, 1976), (494, 1640), (520, 1558), (533, 1520), (656, 1235), (760, 1066), (779, 1040), (820, 988)]