65772460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{252971}}^1$

素因数の和:252993

約数の個数: 24

約数和(自身を含む): 148747536

約数和(自身を除く): 82975076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 252971, 505942, 1011884, 1264855, 2529710, 3288623, 5059420, 6577246, 13154492, 16443115, 32886230, 65772460]

約数ペア:

[(1, 65772460), (2, 32886230), (4, 16443115), (5, 13154492), (10, 6577246), (13, 5059420), (20, 3288623), (26, 2529710), (52, 1264855), (65, 1011884), (130, 505942), (260, 252971)]