39779920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26171}}^1$

素因数の和:26203

約数の個数: 40

約数和(自身を含む): 97359840

約数和(自身を除く): 57579920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26171, 52342, 104684, 130855, 209368, 261710, 418736, 497249, 523420, 994498, 1046840, 1988996, 2093680, 2486245, 3977992, 4972490, 7955984, 9944980, 19889960, 39779920]

約数ペア:

[(1, 39779920), (2, 19889960), (4, 9944980), (5, 7955984), (8, 4972490), (10, 3977992), (16, 2486245), (19, 2093680), (20, 1988996), (38, 1046840), (40, 994498), (76, 523420), (80, 497249), (95, 418736), (152, 261710), (190, 209368), (304, 130855), (380, 104684), (760, 52342), (1520, 26171)]