39853840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38321}}^1$

素因数の和:38347

約数の個数: 40

約数和(自身を含む): 99790488

約数和(自身を除く): 59936648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 38321, 76642, 153284, 191605, 306568, 383210, 498173, 613136, 766420, 996346, 1532840, 1992692, 2490865, 3065680, 3985384, 4981730, 7970768, 9963460, 19926920, 39853840]

約数ペア:

[(1, 39853840), (2, 19926920), (4, 9963460), (5, 7970768), (8, 4981730), (10, 3985384), (13, 3065680), (16, 2490865), (20, 1992692), (26, 1532840), (40, 996346), (52, 766420), (65, 613136), (80, 498173), (104, 383210), (130, 306568), (208, 191605), (260, 153284), (520, 76642), (1040, 38321)]