16856580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21611}}^1$

素因数の和:21636

約数の個数: 48

約数和(自身を含む): 50831424

約数和(自身を除く): 33974844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21611, 43222, 64833, 86444, 108055, 129666, 216110, 259332, 280943, 324165, 432220, 561886, 648330, 842829, 1123772, 1296660, 1404715, 1685658, 2809430, 3371316, 4214145, 5618860, 8428290, 16856580]

約数ペア:

[(1, 16856580), (2, 8428290), (3, 5618860), (4, 4214145), (5, 3371316), (6, 2809430), (10, 1685658), (12, 1404715), (13, 1296660), (15, 1123772), (20, 842829), (26, 648330), (30, 561886), (39, 432220), (52, 324165), (60, 280943), (65, 259332), (78, 216110), (130, 129666), (156, 108055), (195, 86444), (260, 64833), (390, 43222), (780, 21611)]