487995080

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{24847}}^1$

素因数の和:25349

約数の個数: 32

約数和(自身を含む): 1100269440

約数和(自身を除く): 612274360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 24847, 49694, 99388, 124235, 198776, 248470, 496940, 993880, 12199877, 24399754, 48799508, 60999385, 97599016, 121998770, 243997540, 487995080]

約数ペア:

[(1, 487995080), (2, 243997540), (4, 121998770), (5, 97599016), (8, 60999385), (10, 48799508), (20, 24399754), (40, 12199877), (491, 993880), (982, 496940), (1964, 248470), (2455, 198776), (3928, 124235), (4910, 99388), (9820, 49694), (19640, 24847)]