4157140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 9596160

約数和(自身を除く): 5439020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 271, 295, 542, 590, 767, 1084, 1180, 1355, 1534, 2710, 3068, 3523, 3835, 5420, 7046, 7670, 14092, 15340, 15989, 17615, 31978, 35230, 63956, 70460, 79945, 159890, 207857, 319780, 415714, 831428, 1039285, 2078570, 4157140]

約数ペア:

[(1, 4157140), (2, 2078570), (4, 1039285), (5, 831428), (10, 415714), (13, 319780), (20, 207857), (26, 159890), (52, 79945), (59, 70460), (65, 63956), (118, 35230), (130, 31978), (236, 17615), (260, 15989), (271, 15340), (295, 14092), (542, 7670), (590, 7046), (767, 5420), (1084, 3835), (1180, 3523), (1355, 3068), (1534, 2710)]