7021240

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{683}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 15882480

約数和(自身を除く): 8861240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 683, 1028, 1285, 1366, 2056, 2570, 2732, 3415, 5140, 5464, 6830, 10280, 13660, 27320, 175531, 351062, 702124, 877655, 1404248, 1755310, 3510620, 7021240]

約数ペア:

[(1, 7021240), (2, 3510620), (4, 1755310), (5, 1404248), (8, 877655), (10, 702124), (20, 351062), (40, 175531), (257, 27320), (514, 13660), (683, 10280), (1028, 6830), (1285, 5464), (1366, 5140), (2056, 3415), (2570, 2732)]