90417520

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{10973}}^1$

素因数の和:11089

約数の個数: 40

約数和(自身を含む): 212281056

約数和(自身を除く): 121863536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 10973, 21946, 43892, 54865, 87784, 109730, 175568, 219460, 438920, 877840, 1130219, 2260438, 4520876, 5651095, 9041752, 11302190, 18083504, 22604380, 45208760, 90417520]

約数ペア:

[(1, 90417520), (2, 45208760), (4, 22604380), (5, 18083504), (8, 11302190), (10, 9041752), (16, 5651095), (20, 4520876), (40, 2260438), (80, 1130219), (103, 877840), (206, 438920), (412, 219460), (515, 175568), (824, 109730), (1030, 87784), (1648, 54865), (2060, 43892), (4120, 21946), (8240, 10973)]