80667400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 96

約数和(自身を含む): 210343680

約数和(自身を除く): 129676280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 37, 40, 44, 50, 55, 74, 88, 100, 110, 148, 185, 200, 220, 275, 296, 370, 407, 440, 550, 740, 814, 925, 991, 1100, 1480, 1628, 1850, 1982, 2035, 2200, 3256, 3700, 3964, 4070, 4955, 7400, 7928, 8140, 9910, 10175, 10901, 16280, 19820, 20350, 21802, 24775, 36667, 39640, 40700, 43604, 49550, 54505, 73334, 81400, 87208, 99100, 109010, 146668, 183335, 198200, 218020, 272525, 293336, 366670, 403337, 436040, 545050, 733340, 806674, 916675, 1090100, 1466680, 1613348, 1833350, 2016685, 2180200, 3226696, 3666700, 4033370, 7333400, 8066740, 10083425, 16133480, 20166850, 40333700, 80667400]

約数ペア:

[(1, 80667400), (2, 40333700), (4, 20166850), (5, 16133480), (8, 10083425), (10, 8066740), (11, 7333400), (20, 4033370), (22, 3666700), (25, 3226696), (37, 2180200), (40, 2016685), (44, 1833350), (50, 1613348), (55, 1466680), (74, 1090100), (88, 916675), (100, 806674), (110, 733340), (148, 545050), (185, 436040), (200, 403337), (220, 366670), (275, 293336), (296, 272525), (370, 218020), (407, 198200), (440, 183335), (550, 146668), (740, 109010), (814, 99100), (925, 87208), (991, 81400), (1100, 73334), (1480, 54505), (1628, 49550), (1850, 43604), (1982, 40700), (2035, 39640), (2200, 36667), (3256, 24775), (3700, 21802), (3964, 20350), (4070, 19820), (4955, 16280), (7400, 10901), (7928, 10175), (8140, 9910)]