83198020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 180146736

約数和(自身を除く): 96948716

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 241, 410, 421, 482, 820, 842, 964, 1205, 1684, 2105, 2410, 4210, 4820, 8420, 9881, 17261, 19762, 34522, 39524, 49405, 69044, 86305, 98810, 101461, 172610, 197620, 202922, 345220, 405844, 507305, 1014610, 2029220, 4159901, 8319802, 16639604, 20799505, 41599010, 83198020]

約数ペア:

[(1, 83198020), (2, 41599010), (4, 20799505), (5, 16639604), (10, 8319802), (20, 4159901), (41, 2029220), (82, 1014610), (164, 507305), (205, 405844), (241, 345220), (410, 202922), (421, 197620), (482, 172610), (820, 101461), (842, 98810), (964, 86305), (1205, 69044), (1684, 49405), (2105, 39524), (2410, 34522), (4210, 19762), (4820, 17261), (8420, 9881)]