4988920

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{653}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 11301120

約数和(自身を除く): 6312200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 653, 764, 955, 1306, 1528, 1910, 2612, 3265, 3820, 5224, 6530, 7640, 13060, 26120, 124723, 249446, 498892, 623615, 997784, 1247230, 2494460, 4988920]

約数ペア:

[(1, 4988920), (2, 2494460), (4, 1247230), (5, 997784), (8, 623615), (10, 498892), (20, 249446), (40, 124723), (191, 26120), (382, 13060), (653, 7640), (764, 6530), (955, 5224), (1306, 3820), (1528, 3265), (1910, 2612)]