128617000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{3137}}^1$

素因数の和:3199

約数の個数: 64

約数和(自身を含む): 308402640

約数和(自身を除く): 179785640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 820, 1000, 1025, 1640, 2050, 3137, 4100, 5125, 6274, 8200, 10250, 12548, 15685, 20500, 25096, 31370, 41000, 62740, 78425, 125480, 128617, 156850, 257234, 313700, 392125, 514468, 627400, 643085, 784250, 1028936, 1286170, 1568500, 2572340, 3137000, 3215425, 5144680, 6430850, 12861700, 16077125, 25723400, 32154250, 64308500, 128617000]

約数ペア:

[(1, 128617000), (2, 64308500), (4, 32154250), (5, 25723400), (8, 16077125), (10, 12861700), (20, 6430850), (25, 5144680), (40, 3215425), (41, 3137000), (50, 2572340), (82, 1568500), (100, 1286170), (125, 1028936), (164, 784250), (200, 643085), (205, 627400), (250, 514468), (328, 392125), (410, 313700), (500, 257234), (820, 156850), (1000, 128617), (1025, 125480), (1640, 78425), (2050, 62740), (3137, 41000), (4100, 31370), (5125, 25096), (6274, 20500), (8200, 15685), (10250, 12548)]