51742820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 112719600

約数和(自身を除く): 60976780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 709, 820, 890, 1418, 1780, 2836, 3545, 3649, 7090, 7298, 14180, 14596, 18245, 29069, 36490, 58138, 63101, 72980, 116276, 126202, 145345, 252404, 290690, 315505, 581380, 631010, 1262020, 2587141, 5174282, 10348564, 12935705, 25871410, 51742820]

約数ペア:

[(1, 51742820), (2, 25871410), (4, 12935705), (5, 10348564), (10, 5174282), (20, 2587141), (41, 1262020), (82, 631010), (89, 581380), (164, 315505), (178, 290690), (205, 252404), (356, 145345), (410, 126202), (445, 116276), (709, 72980), (820, 63101), (890, 58138), (1418, 36490), (1780, 29069), (2836, 18245), (3545, 14596), (3649, 14180), (7090, 7298)]