508749160

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{12757}}^1$

素因数の和:13765

約数の個数: 32

約数和(自身を含む): 1145923560

約数和(自身を除く): 637174400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7976, 9970, 12757, 19940, 25514, 39880, 51028, 63785, 102056, 127570, 255140, 510280, 12718729, 25437458, 50874916, 63593645, 101749832, 127187290, 254374580, 508749160]

約数ペア:

[(1, 508749160), (2, 254374580), (4, 127187290), (5, 101749832), (8, 63593645), (10, 50874916), (20, 25437458), (40, 12718729), (997, 510280), (1994, 255140), (3988, 127570), (4985, 102056), (7976, 63785), (9970, 51028), (12757, 39880), (19940, 25514)]