201980560

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6173}}^1$

素因数の和:6595

約数の個数: 40

約数和(自身を含む): 470829240

約数和(自身を除く): 268848680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6173, 6544, 8180, 12346, 16360, 24692, 30865, 32720, 49384, 61730, 98768, 123460, 246920, 493840, 2524757, 5049514, 10099028, 12623785, 20198056, 25247570, 40396112, 50495140, 100990280, 201980560]

約数ペア:

[(1, 201980560), (2, 100990280), (4, 50495140), (5, 40396112), (8, 25247570), (10, 20198056), (16, 12623785), (20, 10099028), (40, 5049514), (80, 2524757), (409, 493840), (818, 246920), (1636, 123460), (2045, 98768), (3272, 61730), (4090, 49384), (6173, 32720), (6544, 30865), (8180, 24692), (12346, 16360)]