1820650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2801}}^1$

素因数の和:2826

約数の個数: 24

約数和(自身を含む): 3648204

約数和(自身を除く): 1827554

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 2801, 5602, 14005, 28010, 36413, 70025, 72826, 140050, 182065, 364130, 910325, 1820650]

約数ペア:

[(1, 1820650), (2, 910325), (5, 364130), (10, 182065), (13, 140050), (25, 72826), (26, 70025), (50, 36413), (65, 28010), (130, 14005), (325, 5602), (650, 2801)]