60405020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{613}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 137192160

約数和(自身を除く): 76787140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 613, 758, 1226, 1516, 1895, 2452, 3065, 3790, 4927, 6130, 7580, 7969, 9854, 12260, 15938, 19708, 24635, 31876, 39845, 49270, 79690, 98540, 159380, 232327, 464654, 929308, 1161635, 2323270, 3020251, 4646540, 6040502, 12081004, 15101255, 30202510, 60405020]

約数ペア:

[(1, 60405020), (2, 30202510), (4, 15101255), (5, 12081004), (10, 6040502), (13, 4646540), (20, 3020251), (26, 2323270), (52, 1161635), (65, 929308), (130, 464654), (260, 232327), (379, 159380), (613, 98540), (758, 79690), (1226, 49270), (1516, 39845), (1895, 31876), (2452, 24635), (3065, 19708), (3790, 15938), (4927, 12260), (6130, 9854), (7580, 7969)]