85810540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 185812704

約数和(自身を除く): 100002164

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 227, 410, 454, 461, 820, 908, 922, 1135, 1844, 2270, 2305, 4540, 4610, 9220, 9307, 18614, 18901, 37228, 37802, 46535, 75604, 93070, 94505, 104647, 186140, 189010, 209294, 378020, 418588, 523235, 1046470, 2092940, 4290527, 8581054, 17162108, 21452635, 42905270, 85810540]

約数ペア:

[(1, 85810540), (2, 42905270), (4, 21452635), (5, 17162108), (10, 8581054), (20, 4290527), (41, 2092940), (82, 1046470), (164, 523235), (205, 418588), (227, 378020), (410, 209294), (454, 189010), (461, 186140), (820, 104647), (908, 94505), (922, 93070), (1135, 75604), (1844, 46535), (2270, 37802), (2305, 37228), (4540, 18901), (4610, 18614), (9220, 9307)]