65628940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{252419}}^1$

素因数の和:252441

約数の個数: 24

約数和(自身を含む): 148422960

約数和(自身を除く): 82794020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 252419, 504838, 1009676, 1262095, 2524190, 3281447, 5048380, 6562894, 13125788, 16407235, 32814470, 65628940]

約数ペア:

[(1, 65628940), (2, 32814470), (4, 16407235), (5, 13125788), (10, 6562894), (13, 5048380), (20, 3281447), (26, 2524190), (52, 1262095), (65, 1009676), (130, 504838), (260, 252419)]