13348480

素因数分解:

$2^7\times 5^1\times {\mathrm{20857}}^1$

素因数の和:20876

約数の個数: 32

約数和(自身を含む): 31912740

約数和(自身を除く): 18564260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20857, 41714, 83428, 104285, 166856, 208570, 333712, 417140, 667424, 834280, 1334848, 1668560, 2669696, 3337120, 6674240, 13348480]

約数ペア:

[(1, 13348480), (2, 6674240), (4, 3337120), (5, 2669696), (8, 1668560), (10, 1334848), (16, 834280), (20, 667424), (32, 417140), (40, 333712), (64, 208570), (80, 166856), (128, 104285), (160, 83428), (320, 41714), (640, 20857)]