1628853880

素因数分解:

$2^3\times 5^1\times {\mathrm{40721347}}^1$

素因数の和:40721358

約数の個数: 16

約数和(自身を含む): 3664921320

約数和(自身を除く): 2036067440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 40721347, 81442694, 162885388, 203606735, 325770776, 407213470, 814426940, 1628853880]

約数ペア:

[(1, 1628853880), (2, 814426940), (4, 407213470), (5, 325770776), (8, 203606735), (10, 162885388), (20, 81442694), (40, 40721347)]