89538320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{65837}}^1$

素因数の和:65867

約数の個数: 40

約数和(自身を含む): 220425624

約数和(自身を除く): 130887304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 65837, 131674, 263348, 329185, 526696, 658370, 1053392, 1119229, 1316740, 2238458, 2633480, 4476916, 5266960, 5596145, 8953832, 11192290, 17907664, 22384580, 44769160, 89538320]

約数ペア:

[(1, 89538320), (2, 44769160), (4, 22384580), (5, 17907664), (8, 11192290), (10, 8953832), (16, 5596145), (17, 5266960), (20, 4476916), (34, 2633480), (40, 2238458), (68, 1316740), (80, 1119229), (85, 1053392), (136, 658370), (170, 526696), (272, 329185), (340, 263348), (680, 131674), (1360, 65837)]