53154140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{204439}}^1$

素因数の和:204461

約数の個数: 24

約数和(自身を含む): 120210720

約数和(自身を除く): 67056580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 204439, 408878, 817756, 1022195, 2044390, 2657707, 4088780, 5315414, 10630828, 13288535, 26577070, 53154140]

約数ペア:

[(1, 53154140), (2, 26577070), (4, 13288535), (5, 10630828), (10, 5315414), (13, 4088780), (20, 2657707), (26, 2044390), (52, 1022195), (65, 817756), (130, 408878), (260, 204439)]