82610020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3821}}^1$

素因数の和:3900

約数の個数: 48

約数和(自身を含む): 184923648

約数和(自身を除く): 102313628

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 3821, 4324, 5405, 7642, 10810, 15284, 19105, 21620, 38210, 76420, 87883, 175766, 179587, 351532, 359174, 439415, 718348, 878830, 897935, 1757660, 1795870, 3591740, 4130501, 8261002, 16522004, 20652505, 41305010, 82610020]

約数ペア:

[(1, 82610020), (2, 41305010), (4, 20652505), (5, 16522004), (10, 8261002), (20, 4130501), (23, 3591740), (46, 1795870), (47, 1757660), (92, 897935), (94, 878830), (115, 718348), (188, 439415), (230, 359174), (235, 351532), (460, 179587), (470, 175766), (940, 87883), (1081, 76420), (2162, 38210), (3821, 21620), (4324, 19105), (5405, 15284), (7642, 10810)]