54138860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 117778752

約数和(自身を除く): 63639892

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 410, 412, 515, 641, 820, 1030, 1282, 2060, 2564, 3205, 4223, 6410, 8446, 12820, 16892, 21115, 26281, 42230, 52562, 66023, 84460, 105124, 131405, 132046, 262810, 264092, 330115, 525620, 660230, 1320460, 2706943, 5413886, 10827772, 13534715, 27069430, 54138860]

約数ペア:

[(1, 54138860), (2, 27069430), (4, 13534715), (5, 10827772), (10, 5413886), (20, 2706943), (41, 1320460), (82, 660230), (103, 525620), (164, 330115), (205, 264092), (206, 262810), (410, 132046), (412, 131405), (515, 105124), (641, 84460), (820, 66023), (1030, 52562), (1282, 42230), (2060, 26281), (2564, 21115), (3205, 16892), (4223, 12820), (6410, 8446)]