25563460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98321}}^1$

素因数の和:98343

約数の個数: 24

約数和(自身を含む): 57813336

約数和(自身を除く): 32249876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98321, 196642, 393284, 491605, 983210, 1278173, 1966420, 2556346, 5112692, 6390865, 12781730, 25563460]

約数ペア:

[(1, 25563460), (2, 12781730), (4, 6390865), (5, 5112692), (10, 2556346), (13, 1966420), (20, 1278173), (26, 983210), (52, 491605), (65, 393284), (130, 196642), (260, 98321)]