25929020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3217}}^1$

素因数の和:3270

約数の個数: 48

約数和(自身を含む): 60549888

約数和(自身を除く): 34620868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3217, 4030, 6434, 8060, 12868, 16085, 32170, 41821, 64340, 83642, 99727, 167284, 199454, 209105, 398908, 418210, 498635, 836420, 997270, 1296451, 1994540, 2592902, 5185804, 6482255, 12964510, 25929020]

約数ペア:

[(1, 25929020), (2, 12964510), (4, 6482255), (5, 5185804), (10, 2592902), (13, 1994540), (20, 1296451), (26, 997270), (31, 836420), (52, 498635), (62, 418210), (65, 398908), (124, 209105), (130, 199454), (155, 167284), (260, 99727), (310, 83642), (403, 64340), (620, 41821), (806, 32170), (1612, 16085), (2015, 12868), (3217, 8060), (4030, 6434)]