81073360

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9839}}^1$

素因数の和:9955

約数の個数: 40

約数和(自身を含む): 190344960

約数和(自身を除く): 109271600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 9839, 19678, 39356, 49195, 78712, 98390, 157424, 196780, 393560, 787120, 1013417, 2026834, 4053668, 5067085, 8107336, 10134170, 16214672, 20268340, 40536680, 81073360]

約数ペア:

[(1, 81073360), (2, 40536680), (4, 20268340), (5, 16214672), (8, 10134170), (10, 8107336), (16, 5067085), (20, 4053668), (40, 2026834), (80, 1013417), (103, 787120), (206, 393560), (412, 196780), (515, 157424), (824, 98390), (1030, 78712), (1648, 49195), (2060, 39356), (4120, 19678), (8240, 9839)]