1138180420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{20747}}^1$

素因数の和:20980

約数の個数: 48

約数和(自身を含む): 2586362688

約数和(自身を除く): 1448182268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2743, 4220, 5486, 10972, 13715, 20747, 27430, 41494, 54860, 82988, 103735, 207470, 269711, 414940, 539422, 1078844, 1348555, 2697110, 4377617, 5394220, 8755234, 17510468, 21888085, 43776170, 56909021, 87552340, 113818042, 227636084, 284545105, 569090210, 1138180420]

約数ペア:

[(1, 1138180420), (2, 569090210), (4, 284545105), (5, 227636084), (10, 113818042), (13, 87552340), (20, 56909021), (26, 43776170), (52, 21888085), (65, 17510468), (130, 8755234), (211, 5394220), (260, 4377617), (422, 2697110), (844, 1348555), (1055, 1078844), (2110, 539422), (2743, 414940), (4220, 269711), (5486, 207470), (10972, 103735), (13715, 82988), (20747, 54860), (27430, 41494)]