66764000

素因数分解:

$2^5\times 5^3\times {\mathrm{16691}}^1$

素因数の和:16716

約数の個数: 48

約数和(自身を含む): 164048976

約数和(自身を除く): 97284976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 16691, 33382, 66764, 83455, 133528, 166910, 267056, 333820, 417275, 534112, 667640, 834550, 1335280, 1669100, 2086375, 2670560, 3338200, 4172750, 6676400, 8345500, 13352800, 16691000, 33382000, 66764000]

約数ペア:

[(1, 66764000), (2, 33382000), (4, 16691000), (5, 13352800), (8, 8345500), (10, 6676400), (16, 4172750), (20, 3338200), (25, 2670560), (32, 2086375), (40, 1669100), (50, 1335280), (80, 834550), (100, 667640), (125, 534112), (160, 417275), (200, 333820), (250, 267056), (400, 166910), (500, 133528), (800, 83455), (1000, 66764), (2000, 33382), (4000, 16691)]