80894476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 164475360

約数和(自身を除く): 83580884

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 247, 494, 533, 779, 988, 1066, 1558, 1997, 2132, 3116, 3994, 7988, 10127, 20254, 25961, 37943, 40508, 51922, 75886, 81877, 103844, 151772, 163754, 327508, 493259, 986518, 1064401, 1555663, 1973036, 2128802, 3111326, 4257604, 6222652, 20223619, 40447238, 80894476]

約数ペア:

[(1, 80894476), (2, 40447238), (4, 20223619), (13, 6222652), (19, 4257604), (26, 3111326), (38, 2128802), (41, 1973036), (52, 1555663), (76, 1064401), (82, 986518), (164, 493259), (247, 327508), (494, 163754), (533, 151772), (779, 103844), (988, 81877), (1066, 75886), (1558, 51922), (1997, 40508), (2132, 37943), (3116, 25961), (3994, 20254), (7988, 10127)]