74818120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143881}}^1$

素因数の和:143905

約数の個数: 32

約数和(自身を含む): 181291320

約数和(自身を除く): 106473200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143881, 287762, 575524, 719405, 1151048, 1438810, 1870453, 2877620, 3740906, 5755240, 7481812, 9352265, 14963624, 18704530, 37409060, 74818120]

約数ペア:

[(1, 74818120), (2, 37409060), (4, 18704530), (5, 14963624), (8, 9352265), (10, 7481812), (13, 5755240), (20, 3740906), (26, 2877620), (40, 1870453), (52, 1438810), (65, 1151048), (104, 719405), (130, 575524), (260, 287762), (520, 143881)]