83710640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80491}}^1$

素因数の和:80517

約数の個数: 40

約数和(自身を含む): 209601168

約数和(自身を除く): 125890528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 80491, 160982, 321964, 402455, 643928, 804910, 1046383, 1287856, 1609820, 2092766, 3219640, 4185532, 5231915, 6439280, 8371064, 10463830, 16742128, 20927660, 41855320, 83710640]

約数ペア:

[(1, 83710640), (2, 41855320), (4, 20927660), (5, 16742128), (8, 10463830), (10, 8371064), (13, 6439280), (16, 5231915), (20, 4185532), (26, 3219640), (40, 2092766), (52, 1609820), (65, 1287856), (80, 1046383), (104, 804910), (130, 643928), (208, 402455), (260, 321964), (520, 160982), (1040, 80491)]