2519140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9689}}^1$

素因数の和:9711

約数の個数: 24

約数和(自身を含む): 5697720

約数和(自身を除く): 3178580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 9689, 19378, 38756, 48445, 96890, 125957, 193780, 251914, 503828, 629785, 1259570, 2519140]

約数ペア:

[(1, 2519140), (2, 1259570), (4, 629785), (5, 503828), (10, 251914), (13, 193780), (20, 125957), (26, 96890), (52, 48445), (65, 38756), (130, 19378), (260, 9689)]