202198840

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{4951}}^1$

素因数の和:5983

約数の個数: 32

約数和(自身を含む): 455484960

約数和(自身を除く): 253286120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 2042, 4084, 4951, 5105, 8168, 9902, 10210, 19804, 20420, 24755, 39608, 40840, 49510, 99020, 198040, 5054971, 10109942, 20219884, 25274855, 40439768, 50549710, 101099420, 202198840]

約数ペア:

[(1, 202198840), (2, 101099420), (4, 50549710), (5, 40439768), (8, 25274855), (10, 20219884), (20, 10109942), (40, 5054971), (1021, 198040), (2042, 99020), (4084, 49510), (4951, 40840), (5105, 39608), (8168, 24755), (9902, 20420), (10210, 19804)]