70460

素因数分解:

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

素因数の和:293

約数の個数: 24

約数和(自身を含む): 159936

約数和(自身を除く): 89476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 1084, 1355, 2710, 3523, 5420, 7046, 14092, 17615, 35230, 70460]

約数ペア:

[(1, 70460), (2, 35230), (4, 17615), (5, 14092), (10, 7046), (13, 5420), (20, 3523), (26, 2710), (52, 1355), (65, 1084), (130, 542), (260, 271)]