91656920

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{4013}}^1$

素因数の和:4595

約数の個数: 32

約数和(自身を含む): 206640720

約数和(自身を除く): 114983800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4013, 4568, 5710, 8026, 11420, 16052, 20065, 22840, 32104, 40130, 80260, 160520, 2291423, 4582846, 9165692, 11457115, 18331384, 22914230, 45828460, 91656920]

約数ペア:

[(1, 91656920), (2, 45828460), (4, 22914230), (5, 18331384), (8, 11457115), (10, 9165692), (20, 4582846), (40, 2291423), (571, 160520), (1142, 80260), (2284, 40130), (2855, 32104), (4013, 22840), (4568, 20065), (5710, 16052), (8026, 11420)]