8508280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 21293280

約数和(自身を除く): 12785000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 317, 440, 488, 610, 634, 671, 1220, 1268, 1342, 1585, 2440, 2536, 2684, 3170, 3355, 3487, 5368, 6340, 6710, 6974, 12680, 13420, 13948, 17435, 19337, 26840, 27896, 34870, 38674, 69740, 77348, 96685, 139480, 154696, 193370, 212707, 386740, 425414, 773480, 850828, 1063535, 1701656, 2127070, 4254140, 8508280]

約数ペア:

[(1, 8508280), (2, 4254140), (4, 2127070), (5, 1701656), (8, 1063535), (10, 850828), (11, 773480), (20, 425414), (22, 386740), (40, 212707), (44, 193370), (55, 154696), (61, 139480), (88, 96685), (110, 77348), (122, 69740), (220, 38674), (244, 34870), (305, 27896), (317, 26840), (440, 19337), (488, 17435), (610, 13948), (634, 13420), (671, 12680), (1220, 6974), (1268, 6710), (1342, 6340), (1585, 5368), (2440, 3487), (2536, 3355), (2684, 3170)]