64748120

素因数分解:

$2^3\times 5^1\times {\mathrm{1618703}}^1$

素因数の和:1618714

約数の個数: 16

約数和(自身を含む): 145683360

約数和(自身を除く): 80935240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1618703, 3237406, 6474812, 8093515, 12949624, 16187030, 32374060, 64748120]

約数ペア:

[(1, 64748120), (2, 32374060), (4, 16187030), (5, 12949624), (8, 8093515), (10, 6474812), (20, 3237406), (40, 1618703)]