28549100

素因数分解:

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

素因数の和:4106

約数の個数: 36

約数和(自身を含む): 62839728

約数和(自身を除く): 34290628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 4021, 7100, 8042, 16084, 20105, 40210, 80420, 100525, 201050, 285491, 402100, 570982, 1141964, 1427455, 2854910, 5709820, 7137275, 14274550, 28549100]

約数ペア:

[(1, 28549100), (2, 14274550), (4, 7137275), (5, 5709820), (10, 2854910), (20, 1427455), (25, 1141964), (50, 570982), (71, 402100), (100, 285491), (142, 201050), (284, 100525), (355, 80420), (710, 40210), (1420, 20105), (1775, 16084), (3550, 8042), (4021, 7100)]