72873400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{8887}}^1$

素因数の和:8944

約数の個数: 48

約数和(自身を含む): 173582640

約数和(自身を除く): 100709240

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, 4100, 8200, 8887, 17774, 35548, 44435, 71096, 88870, 177740, 222175, 355480, 364367, 444350, 728734, 888700, 1457468, 1777400, 1821835, 2914936, 3643670, 7287340, 9109175, 14574680, 18218350, 36436700, 72873400]

約数ペア:

[(1, 72873400), (2, 36436700), (4, 18218350), (5, 14574680), (8, 9109175), (10, 7287340), (20, 3643670), (25, 2914936), (40, 1821835), (41, 1777400), (50, 1457468), (82, 888700), (100, 728734), (164, 444350), (200, 364367), (205, 355480), (328, 222175), (410, 177740), (820, 88870), (1025, 71096), (1640, 44435), (2050, 35548), (4100, 17774), (8200, 8887)]