1969640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1201}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 4543560

約数和(自身を除く): 2573920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1201, 1640, 2402, 4804, 6005, 9608, 12010, 24020, 48040, 49241, 98482, 196964, 246205, 393928, 492410, 984820, 1969640]

約数ペア:

[(1, 1969640), (2, 984820), (4, 492410), (5, 393928), (8, 246205), (10, 196964), (20, 98482), (40, 49241), (41, 48040), (82, 24020), (164, 12010), (205, 9608), (328, 6005), (410, 4804), (820, 2402), (1201, 1640)]