80289640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1762

約数の個数: 64

約数和(自身を含む): 194088960

約数和(自身を除く): 113799320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 1663, 2414, 2840, 3326, 4828, 6035, 6652, 8315, 9656, 12070, 13304, 16630, 24140, 28271, 33260, 48280, 56542, 66520, 113084, 118073, 141355, 226168, 236146, 282710, 472292, 565420, 590365, 944584, 1130840, 1180730, 2007241, 2361460, 4014482, 4722920, 8028964, 10036205, 16057928, 20072410, 40144820, 80289640]

約数ペア:

[(1, 80289640), (2, 40144820), (4, 20072410), (5, 16057928), (8, 10036205), (10, 8028964), (17, 4722920), (20, 4014482), (34, 2361460), (40, 2007241), (68, 1180730), (71, 1130840), (85, 944584), (136, 590365), (142, 565420), (170, 472292), (284, 282710), (340, 236146), (355, 226168), (568, 141355), (680, 118073), (710, 113084), (1207, 66520), (1420, 56542), (1663, 48280), (2414, 33260), (2840, 28271), (3326, 24140), (4828, 16630), (6035, 13304), (6652, 12070), (8315, 9656)]