8891740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3109}}^1$

素因数の和:3142

約数の個数: 48

約数和(自身を含む): 21944160

約数和(自身を除く): 13052420

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 3109, 6218, 12436, 15545, 31090, 34199, 40417, 62180, 68398, 80834, 136796, 161668, 170995, 202085, 341990, 404170, 444587, 683980, 808340, 889174, 1778348, 2222935, 4445870, 8891740]

約数ペア:

[(1, 8891740), (2, 4445870), (4, 2222935), (5, 1778348), (10, 889174), (11, 808340), (13, 683980), (20, 444587), (22, 404170), (26, 341990), (44, 202085), (52, 170995), (55, 161668), (65, 136796), (110, 80834), (130, 68398), (143, 62180), (220, 40417), (260, 34199), (286, 31090), (572, 15545), (715, 12436), (1430, 6218), (2860, 3109)]