3881808400

素因数分解:

$2^4\times 5^2\times {\mathrm{9704521}}^1$

素因数の和:9704539

約数の個数: 30

約数和(自身を含む): 9326045642

約数和(自身を除く): 5444237242

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 9704521, 19409042, 38818084, 48522605, 77636168, 97045210, 155272336, 194090420, 242613025, 388180840, 485226050, 776361680, 970452100, 1940904200, 3881808400]

約数ペア:

[(1, 3881808400), (2, 1940904200), (4, 970452100), (5, 776361680), (8, 485226050), (10, 388180840), (16, 242613025), (20, 194090420), (25, 155272336), (40, 97045210), (50, 77636168), (80, 48522605), (100, 38818084), (200, 19409042), (400, 9704521)]