64769200

素因数分解:

$2^4\times 5^2\times {\mathrm{161923}}^1$

素因数の和:161941

約数の個数: 30

約数和(自身を含む): 155608964

約数和(自身を除く): 90839764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 161923, 323846, 647692, 809615, 1295384, 1619230, 2590768, 3238460, 4048075, 6476920, 8096150, 12953840, 16192300, 32384600, 64769200]

約数ペア:

[(1, 64769200), (2, 32384600), (4, 16192300), (5, 12953840), (8, 8096150), (10, 6476920), (16, 4048075), (20, 3238460), (25, 2590768), (40, 1619230), (50, 1295384), (80, 809615), (100, 647692), (200, 323846), (400, 161923)]