28650800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1747}}^1$

素因数の和:1806

約数の個数: 60

約数和(自身を含む): 70552776

約数和(自身を除く): 41901976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 1747, 2050, 3280, 3494, 4100, 6988, 8200, 8735, 13976, 16400, 17470, 27952, 34940, 43675, 69880, 71627, 87350, 139760, 143254, 174700, 286508, 349400, 358135, 573016, 698800, 716270, 1146032, 1432540, 1790675, 2865080, 3581350, 5730160, 7162700, 14325400, 28650800]

約数ペア:

[(1, 28650800), (2, 14325400), (4, 7162700), (5, 5730160), (8, 3581350), (10, 2865080), (16, 1790675), (20, 1432540), (25, 1146032), (40, 716270), (41, 698800), (50, 573016), (80, 358135), (82, 349400), (100, 286508), (164, 174700), (200, 143254), (205, 139760), (328, 87350), (400, 71627), (410, 69880), (656, 43675), (820, 34940), (1025, 27952), (1640, 17470), (1747, 16400), (2050, 13976), (3280, 8735), (3494, 8200), (4100, 6988)]