87898400

素因数分解:

$2^5\times 5^2\times {\mathrm{109873}}^1$

素因数の和:109893

約数の個数: 36

約数和(自身を含む): 214583922

約数和(自身を除く): 126685522

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 109873, 219746, 439492, 549365, 878984, 1098730, 1757968, 2197460, 2746825, 3515936, 4394920, 5493650, 8789840, 10987300, 17579680, 21974600, 43949200, 87898400]

約数ペア:

[(1, 87898400), (2, 43949200), (4, 21974600), (5, 17579680), (8, 10987300), (10, 8789840), (16, 5493650), (20, 4394920), (25, 3515936), (32, 2746825), (40, 2197460), (50, 1757968), (80, 1098730), (100, 878984), (160, 549365), (200, 439492), (400, 219746), (800, 109873)]