489613309880

素因数分解:

$2^3\times 5^1\times {\mathrm{12240332747}}^1$

素因数の和:12240332758

約数の個数: 16

約数和(自身を含む): 1101629947320

約数和(自身を除く): 612016637440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12240332747, 24480665494, 48961330988, 61201663735, 97922661976, 122403327470, 244806654940, 489613309880]

約数ペア:

[(1, 489613309880), (2, 244806654940), (4, 122403327470), (5, 97922661976), (8, 61201663735), (10, 48961330988), (20, 24480665494), (40, 12240332747)]