15994420

素因数分解:

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

素因数の和:520

約数の個数: 48

約数和(自身を含む): 36465408

約数和(自身を除く): 20470988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 271, 454, 542, 908, 1084, 1135, 1355, 2270, 2710, 2951, 3523, 4540, 5420, 5902, 7046, 11804, 14092, 14755, 17615, 29510, 35230, 59020, 61517, 70460, 123034, 246068, 307585, 615170, 799721, 1230340, 1599442, 3198884, 3998605, 7997210, 15994420]

約数ペア:

[(1, 15994420), (2, 7997210), (4, 3998605), (5, 3198884), (10, 1599442), (13, 1230340), (20, 799721), (26, 615170), (52, 307585), (65, 246068), (130, 123034), (227, 70460), (260, 61517), (271, 59020), (454, 35230), (542, 29510), (908, 17615), (1084, 14755), (1135, 14092), (1355, 11804), (2270, 7046), (2710, 5902), (2951, 5420), (3523, 4540)]