13686920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26321}}^1$

素因数の和:26345

約数の個数: 32

約数和(自身を含む): 33165720

約数和(自身を除く): 19478800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 26321, 52642, 105284, 131605, 210568, 263210, 342173, 526420, 684346, 1052840, 1368692, 1710865, 2737384, 3421730, 6843460, 13686920]

約数ペア:

[(1, 13686920), (2, 6843460), (4, 3421730), (5, 2737384), (8, 1710865), (10, 1368692), (13, 1052840), (20, 684346), (26, 526420), (40, 342173), (52, 263210), (65, 210568), (104, 131605), (130, 105284), (260, 52642), (520, 26321)]