12797800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1049}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 30271500

約数和(自身を除く): 17473700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1049, 1220, 1525, 2098, 2440, 3050, 4196, 5245, 6100, 8392, 10490, 12200, 20980, 26225, 41960, 52450, 63989, 104900, 127978, 209800, 255956, 319945, 511912, 639890, 1279780, 1599725, 2559560, 3199450, 6398900, 12797800]

約数ペア:

[(1, 12797800), (2, 6398900), (4, 3199450), (5, 2559560), (8, 1599725), (10, 1279780), (20, 639890), (25, 511912), (40, 319945), (50, 255956), (61, 209800), (100, 127978), (122, 104900), (200, 63989), (244, 52450), (305, 41960), (488, 26225), (610, 20980), (1049, 12200), (1220, 10490), (1525, 8392), (2098, 6100), (2440, 5245), (3050, 4196)]