91484920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{32213}}^1$

素因数の和:32295

約数の個数: 32

約数和(自身を含む): 208746720

約数和(自身を除く): 117261800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 32213, 64426, 128852, 161065, 257704, 322130, 644260, 1288520, 2287123, 4574246, 9148492, 11435615, 18296984, 22871230, 45742460, 91484920]

約数ペア:

[(1, 91484920), (2, 45742460), (4, 22871230), (5, 18296984), (8, 11435615), (10, 9148492), (20, 4574246), (40, 2287123), (71, 1288520), (142, 644260), (284, 322130), (355, 257704), (568, 161065), (710, 128852), (1420, 64426), (2840, 32213)]