11419640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4103

約数の個数: 32

約数和(自身を含む): 26062560

約数和(自身を除く): 14642920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4021, 8042, 16084, 20105, 32168, 40210, 80420, 160840, 285491, 570982, 1141964, 1427455, 2283928, 2854910, 5709820, 11419640]

約数ペア:

[(1, 11419640), (2, 5709820), (4, 2854910), (5, 2283928), (8, 1427455), (10, 1141964), (20, 570982), (40, 285491), (71, 160840), (142, 80420), (284, 40210), (355, 32168), (568, 20105), (710, 16084), (1420, 8042), (2840, 4021)]