25365020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 57371328

約数和(自身を除く): 32006308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 1223, 2074, 2446, 4148, 4892, 5185, 6115, 10370, 12230, 20740, 20791, 24460, 41582, 74603, 83164, 103955, 149206, 207910, 298412, 373015, 415820, 746030, 1268251, 1492060, 2536502, 5073004, 6341255, 12682510, 25365020]

約数ペア:

[(1, 25365020), (2, 12682510), (4, 6341255), (5, 5073004), (10, 2536502), (17, 1492060), (20, 1268251), (34, 746030), (61, 415820), (68, 373015), (85, 298412), (122, 207910), (170, 149206), (244, 103955), (305, 83164), (340, 74603), (610, 41582), (1037, 24460), (1220, 20791), (1223, 20740), (2074, 12230), (2446, 10370), (4148, 6115), (4892, 5185)]