28765600

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:938

約数の個数: 72

約数和(自身を含む): 72018828

約数和(自身を除く): 43253228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 656, 800, 820, 877, 1025, 1312, 1640, 1754, 2050, 3280, 3508, 4100, 4385, 6560, 7016, 8200, 8770, 14032, 16400, 17540, 21925, 28064, 32800, 35080, 35957, 43850, 70160, 71914, 87700, 140320, 143828, 175400, 179785, 287656, 350800, 359570, 575312, 701600, 719140, 898925, 1150624, 1438280, 1797850, 2876560, 3595700, 5753120, 7191400, 14382800, 28765600]

約数ペア:

[(1, 28765600), (2, 14382800), (4, 7191400), (5, 5753120), (8, 3595700), (10, 2876560), (16, 1797850), (20, 1438280), (25, 1150624), (32, 898925), (40, 719140), (41, 701600), (50, 575312), (80, 359570), (82, 350800), (100, 287656), (160, 179785), (164, 175400), (200, 143828), (205, 140320), (328, 87700), (400, 71914), (410, 70160), (656, 43850), (800, 35957), (820, 35080), (877, 32800), (1025, 28064), (1312, 21925), (1640, 17540), (1754, 16400), (2050, 14032), (3280, 8770), (3508, 8200), (4100, 7016), (4385, 6560)]