28937800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3529}}^1$

素因数の和:3586

約数の個数: 48

約数和(自身を含む): 68940900

約数和(自身を除く): 40003100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 3529, 4100, 7058, 8200, 14116, 17645, 28232, 35290, 70580, 88225, 141160, 144689, 176450, 289378, 352900, 578756, 705800, 723445, 1157512, 1446890, 2893780, 3617225, 5787560, 7234450, 14468900, 28937800]

約数ペア:

[(1, 28937800), (2, 14468900), (4, 7234450), (5, 5787560), (8, 3617225), (10, 2893780), (20, 1446890), (25, 1157512), (40, 723445), (41, 705800), (50, 578756), (82, 352900), (100, 289378), (164, 176450), (200, 144689), (205, 141160), (328, 88225), (410, 70580), (820, 35290), (1025, 28232), (1640, 17645), (2050, 14116), (3529, 8200), (4100, 7058)]