12700550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 25779600

約数和(自身を除く): 13079050

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 461, 475, 551, 725, 922, 950, 1102, 1450, 2305, 2755, 4610, 5510, 8759, 11525, 13369, 13775, 17518, 23050, 26738, 27550, 43795, 66845, 87590, 133690, 218975, 254011, 334225, 437950, 508022, 668450, 1270055, 2540110, 6350275, 12700550]

約数ペア:

[(1, 12700550), (2, 6350275), (5, 2540110), (10, 1270055), (19, 668450), (25, 508022), (29, 437950), (38, 334225), (50, 254011), (58, 218975), (95, 133690), (145, 87590), (190, 66845), (290, 43795), (461, 27550), (475, 26738), (551, 23050), (725, 17518), (922, 13775), (950, 13369), (1102, 11525), (1450, 8759), (2305, 5510), (2755, 4610)]