131951920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71713}}^1$

素因数の和:71749

約数の個数: 40

約数和(自身を含む): 320131296

約数和(自身を除く): 188179376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 71713, 143426, 286852, 358565, 573704, 717130, 1147408, 1434260, 1649399, 2868520, 3298798, 5737040, 6597596, 8246995, 13195192, 16493990, 26390384, 32987980, 65975960, 131951920]

約数ペア:

[(1, 131951920), (2, 65975960), (4, 32987980), (5, 26390384), (8, 16493990), (10, 13195192), (16, 8246995), (20, 6597596), (23, 5737040), (40, 3298798), (46, 2868520), (80, 1649399), (92, 1434260), (115, 1147408), (184, 717130), (230, 573704), (368, 358565), (460, 286852), (920, 143426), (1840, 71713)]