1371640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 3149280

約数和(自身を除く): 1777640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 647, 1060, 1294, 2120, 2588, 3235, 5176, 6470, 12940, 25880, 34291, 68582, 137164, 171455, 274328, 342910, 685820, 1371640]

約数ペア:

[(1, 1371640), (2, 685820), (4, 342910), (5, 274328), (8, 171455), (10, 137164), (20, 68582), (40, 34291), (53, 25880), (106, 12940), (212, 6470), (265, 5176), (424, 3235), (530, 2588), (647, 2120), (1060, 1294)]