85441780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2087}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 189423360

約数和(自身を除く): 103981580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 2087, 4094, 4174, 8188, 8348, 10235, 10435, 20470, 20870, 40940, 41740, 48001, 96002, 185743, 192004, 240005, 371486, 480010, 742972, 928715, 960020, 1857430, 3714860, 4272089, 8544178, 17088356, 21360445, 42720890, 85441780]

約数ペア:

[(1, 85441780), (2, 42720890), (4, 21360445), (5, 17088356), (10, 8544178), (20, 4272089), (23, 3714860), (46, 1857430), (89, 960020), (92, 928715), (115, 742972), (178, 480010), (230, 371486), (356, 240005), (445, 192004), (460, 185743), (890, 96002), (1780, 48001), (2047, 41740), (2087, 40940), (4094, 20870), (4174, 20470), (8188, 10435), (8348, 10235)]