44221780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 95961600

約数和(自身を除く): 51739820

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 271, 398, 410, 542, 796, 820, 995, 1084, 1355, 1990, 2710, 3980, 5420, 8159, 11111, 16318, 22222, 32636, 40795, 44444, 53929, 55555, 81590, 107858, 111110, 163180, 215716, 222220, 269645, 539290, 1078580, 2211089, 4422178, 8844356, 11055445, 22110890, 44221780]

約数ペア:

[(1, 44221780), (2, 22110890), (4, 11055445), (5, 8844356), (10, 4422178), (20, 2211089), (41, 1078580), (82, 539290), (164, 269645), (199, 222220), (205, 215716), (271, 163180), (398, 111110), (410, 107858), (542, 81590), (796, 55555), (820, 53929), (995, 44444), (1084, 40795), (1355, 32636), (1990, 22222), (2710, 16318), (3980, 11111), (5420, 8159)]