129041380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{496313}}^1$

素因数の和:496335

約数の個数: 24

約数和(自身を含む): 291832632

約数和(自身を除く): 162791252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 496313, 992626, 1985252, 2481565, 4963130, 6452069, 9926260, 12904138, 25808276, 32260345, 64520690, 129041380]

約数ペア:

[(1, 129041380), (2, 64520690), (4, 32260345), (5, 25808276), (10, 12904138), (13, 9926260), (20, 6452069), (26, 4963130), (52, 2481565), (65, 1985252), (130, 992626), (260, 496313)]