27982760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53813}}^1$

素因数の和:53837

約数の個数: 32

約数和(自身を含む): 67805640

約数和(自身を除く): 39822880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 53813, 107626, 215252, 269065, 430504, 538130, 699569, 1076260, 1399138, 2152520, 2798276, 3497845, 5596552, 6995690, 13991380, 27982760]

約数ペア:

[(1, 27982760), (2, 13991380), (4, 6995690), (5, 5596552), (8, 3497845), (10, 2798276), (13, 2152520), (20, 1399138), (26, 1076260), (40, 699569), (52, 538130), (65, 430504), (104, 269065), (130, 215252), (260, 107626), (520, 53813)]