89658920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{172421}}^1$

素因数の和:172445

約数の個数: 32

約数和(自身を含む): 217251720

約数和(自身を除く): 127592800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 172421, 344842, 689684, 862105, 1379368, 1724210, 2241473, 3448420, 4482946, 6896840, 8965892, 11207365, 17931784, 22414730, 44829460, 89658920]

約数ペア:

[(1, 89658920), (2, 44829460), (4, 22414730), (5, 17931784), (8, 11207365), (10, 8965892), (13, 6896840), (20, 4482946), (26, 3448420), (40, 2241473), (52, 1724210), (65, 1379368), (104, 862105), (130, 689684), (260, 344842), (520, 172421)]