1990306880

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{117353}}^1$

素因数の和:117423

約数の個数: 56

約数和(自身を含む): 4828882392

約数和(自身を除く): 2838575512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1696, 2120, 3392, 4240, 8480, 16960, 117353, 234706, 469412, 586765, 938824, 1173530, 1877648, 2347060, 3755296, 4694120, 6219709, 7510592, 9388240, 12439418, 18776480, 24878836, 31098545, 37552960, 49757672, 62197090, 99515344, 124394180, 199030688, 248788360, 398061376, 497576720, 995153440, 1990306880]

約数ペア:

[(1, 1990306880), (2, 995153440), (4, 497576720), (5, 398061376), (8, 248788360), (10, 199030688), (16, 124394180), (20, 99515344), (32, 62197090), (40, 49757672), (53, 37552960), (64, 31098545), (80, 24878836), (106, 18776480), (160, 12439418), (212, 9388240), (265, 7510592), (320, 6219709), (424, 4694120), (530, 3755296), (848, 2347060), (1060, 1877648), (1696, 1173530), (2120, 938824), (3392, 586765), (4240, 469412), (8480, 234706), (16960, 117353)]