128833720

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{3467}}^1$

素因数の和:4407

約数の個数: 32

約数和(自身を含む): 290271600

約数和(自身を除く): 161437880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1858, 3467, 3716, 4645, 6934, 7432, 9290, 13868, 17335, 18580, 27736, 34670, 37160, 69340, 138680, 3220843, 6441686, 12883372, 16104215, 25766744, 32208430, 64416860, 128833720]

約数ペア:

[(1, 128833720), (2, 64416860), (4, 32208430), (5, 25766744), (8, 16104215), (10, 12883372), (20, 6441686), (40, 3220843), (929, 138680), (1858, 69340), (3467, 37160), (3716, 34670), (4645, 27736), (6934, 18580), (7432, 17335), (9290, 13868)]