25533220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 57189888

約数和(自身を除く): 31656668

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1181, 2162, 2362, 4324, 4724, 5405, 5905, 10810, 11810, 21620, 23620, 27163, 54326, 55507, 108652, 111014, 135815, 222028, 271630, 277535, 543260, 555070, 1110140, 1276661, 2553322, 5106644, 6383305, 12766610, 25533220]

約数ペア:

[(1, 25533220), (2, 12766610), (4, 6383305), (5, 5106644), (10, 2553322), (20, 1276661), (23, 1110140), (46, 555070), (47, 543260), (92, 277535), (94, 271630), (115, 222028), (188, 135815), (230, 111014), (235, 108652), (460, 55507), (470, 54326), (940, 27163), (1081, 23620), (1181, 21620), (2162, 11810), (2362, 10810), (4324, 5905), (4724, 5405)]