40898410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20147}}^1$

素因数の和:20190

約数の個数: 32

約数和(自身を含む): 87039360

約数和(自身を除く): 46140950

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 20147, 40294, 100735, 141029, 201470, 282058, 584263, 705145, 1168526, 1410290, 2921315, 4089841, 5842630, 8179682, 20449205, 40898410]

約数ペア:

[(1, 40898410), (2, 20449205), (5, 8179682), (7, 5842630), (10, 4089841), (14, 2921315), (29, 1410290), (35, 1168526), (58, 705145), (70, 584263), (145, 282058), (203, 201470), (290, 141029), (406, 100735), (1015, 40294), (2030, 20147)]