870854140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3349439}}^1$

素因数の和:3349461

約数の個数: 24

約数和(自身を含む): 1969470720

約数和(自身を除く): 1098616580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3349439, 6698878, 13397756, 16747195, 33494390, 43542707, 66988780, 87085414, 174170828, 217713535, 435427070, 870854140]

約数ペア:

[(1, 870854140), (2, 435427070), (4, 217713535), (5, 174170828), (10, 87085414), (13, 66988780), (20, 43542707), (26, 33494390), (52, 16747195), (65, 13397756), (130, 6698878), (260, 3349439)]