31261890820

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{787}}^1\times {\mathrm{9413}}^1$

素因数の和:10420

約数の個数: 48

約数和(自身を含む): 66051937728

約数和(自身を除く): 34790046908

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 787, 844, 1055, 1574, 2110, 3148, 3935, 4220, 7870, 9413, 15740, 18826, 37652, 47065, 94130, 166057, 188260, 332114, 664228, 830285, 1660570, 1986143, 3321140, 3972286, 7408031, 7944572, 9930715, 14816062, 19861430, 29632124, 37040155, 39722860, 74080310, 148160620, 1563094541, 3126189082, 6252378164, 7815472705, 15630945410, 31261890820]

約数ペア:

[(1, 31261890820), (2, 15630945410), (4, 7815472705), (5, 6252378164), (10, 3126189082), (20, 1563094541), (211, 148160620), (422, 74080310), (787, 39722860), (844, 37040155), (1055, 29632124), (1574, 19861430), (2110, 14816062), (3148, 9930715), (3935, 7944572), (4220, 7408031), (7870, 3972286), (9413, 3321140), (15740, 1986143), (18826, 1660570), (37652, 830285), (47065, 664228), (94130, 332114), (166057, 188260)]