31988840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 78140160

約数和(自身を除く): 46151320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 227, 260, 271, 454, 520, 542, 908, 1084, 1135, 1355, 1816, 2168, 2270, 2710, 2951, 3523, 4540, 5420, 5902, 7046, 9080, 10840, 11804, 14092, 14755, 17615, 23608, 28184, 29510, 35230, 59020, 61517, 70460, 118040, 123034, 140920, 246068, 307585, 492136, 615170, 799721, 1230340, 1599442, 2460680, 3198884, 3998605, 6397768, 7997210, 15994420, 31988840]

約数ペア:

[(1, 31988840), (2, 15994420), (4, 7997210), (5, 6397768), (8, 3998605), (10, 3198884), (13, 2460680), (20, 1599442), (26, 1230340), (40, 799721), (52, 615170), (65, 492136), (104, 307585), (130, 246068), (227, 140920), (260, 123034), (271, 118040), (454, 70460), (520, 61517), (542, 59020), (908, 35230), (1084, 29510), (1135, 28184), (1355, 23608), (1816, 17615), (2168, 14755), (2270, 14092), (2710, 11804), (2951, 10840), (3523, 9080), (4540, 7046), (5420, 5902)]