12126920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23321}}^1$

素因数の和:23345

約数の個数: 32

約数和(自身を含む): 29385720

約数和(自身を除く): 17258800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 23321, 46642, 93284, 116605, 186568, 233210, 303173, 466420, 606346, 932840, 1212692, 1515865, 2425384, 3031730, 6063460, 12126920]

約数ペア:

[(1, 12126920), (2, 6063460), (4, 3031730), (5, 2425384), (8, 1515865), (10, 1212692), (13, 932840), (20, 606346), (26, 466420), (40, 303173), (52, 233210), (65, 186568), (104, 116605), (130, 93284), (260, 46642), (520, 23321)]