1851560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 4271400

約数和(自身を除く): 2419840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1129, 1640, 2258, 4516, 5645, 9032, 11290, 22580, 45160, 46289, 92578, 185156, 231445, 370312, 462890, 925780, 1851560]

約数ペア:

[(1, 1851560), (2, 925780), (4, 462890), (5, 370312), (8, 231445), (10, 185156), (20, 92578), (40, 46289), (41, 45160), (82, 22580), (164, 11290), (205, 9032), (328, 5645), (410, 4516), (820, 2258), (1129, 1640)]