2080405912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1\times {\mathrm{1321}}^1$

素因数の和:2156

約数の個数: 64

約数和(自身を含む): 4430815200

約数和(自身を除く): 2350409288

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 797, 988, 1321, 1594, 1976, 2642, 3188, 5284, 6376, 10361, 10568, 15143, 17173, 20722, 25099, 30286, 34346, 41444, 50198, 60572, 68692, 82888, 100396, 121144, 137384, 196859, 200792, 326287, 393718, 652574, 787436, 1052837, 1305148, 1574872, 2105674, 2610296, 4211348, 8422696, 13686881, 20003903, 27373762, 40007806, 54747524, 80015612, 109495048, 160031224, 260050739, 520101478, 1040202956, 2080405912]

約数ペア:

[(1, 2080405912), (2, 1040202956), (4, 520101478), (8, 260050739), (13, 160031224), (19, 109495048), (26, 80015612), (38, 54747524), (52, 40007806), (76, 27373762), (104, 20003903), (152, 13686881), (247, 8422696), (494, 4211348), (797, 2610296), (988, 2105674), (1321, 1574872), (1594, 1305148), (1976, 1052837), (2642, 787436), (3188, 652574), (5284, 393718), (6376, 326287), (10361, 200792), (10568, 196859), (15143, 137384), (17173, 121144), (20722, 100396), (25099, 82888), (30286, 68692), (34346, 60572), (41444, 50198)]