1290168100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{992437}}^1$

素因数の和:992464

約数の個数: 36

約数和(自身を含む): 3015026644

約数和(自身を除く): 1724858544

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 992437, 1984874, 3969748, 4962185, 9924370, 12901681, 19848740, 24810925, 25803362, 49621850, 51606724, 64508405, 99243700, 129016810, 258033620, 322542025, 645084050, 1290168100]

約数ペア:

[(1, 1290168100), (2, 645084050), (4, 322542025), (5, 258033620), (10, 129016810), (13, 99243700), (20, 64508405), (25, 51606724), (26, 49621850), (50, 25803362), (52, 24810925), (65, 19848740), (100, 12901681), (130, 9924370), (260, 4962185), (325, 3969748), (650, 1984874), (1300, 992437)]