72743320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139891}}^1$

素因数の和:139915

約数の個数: 32

約数和(自身を含む): 176263920

約数和(自身を除く): 103520600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 139891, 279782, 559564, 699455, 1119128, 1398910, 1818583, 2797820, 3637166, 5595640, 7274332, 9092915, 14548664, 18185830, 36371660, 72743320]

約数ペア:

[(1, 72743320), (2, 36371660), (4, 18185830), (5, 14548664), (8, 9092915), (10, 7274332), (13, 5595640), (20, 3637166), (26, 2797820), (40, 1818583), (52, 1398910), (65, 1119128), (104, 699455), (130, 559564), (260, 279782), (520, 139891)]