67828780

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{4091}}^1$

素因数の和:4929

約数の個数: 24

約数和(自身を含む): 142647120

約数和(自身を除く): 74818340

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4091, 4145, 8182, 8290, 16364, 16580, 20455, 40910, 81820, 3391439, 6782878, 13565756, 16957195, 33914390, 67828780]

約数ペア:

[(1, 67828780), (2, 33914390), (4, 16957195), (5, 13565756), (10, 6782878), (20, 3391439), (829, 81820), (1658, 40910), (3316, 20455), (4091, 16580), (4145, 16364), (8182, 8290)]