65434840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{10979}}^1$

素因数の和:11139

約数の個数: 32

約数和(自身を含む): 148230000

約数和(自身を除く): 82795160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 10979, 21958, 43916, 54895, 87832, 109790, 219580, 439160, 1635871, 3271742, 6543484, 8179355, 13086968, 16358710, 32717420, 65434840]

約数ペア:

[(1, 65434840), (2, 32717420), (4, 16358710), (5, 13086968), (8, 8179355), (10, 6543484), (20, 3271742), (40, 1635871), (149, 439160), (298, 219580), (596, 109790), (745, 87832), (1192, 54895), (1490, 43916), (2980, 21958), (5960, 10979)]