64709060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13099}}^1$

素因数の和:13140

約数の個数: 48

約数和(自身を含む): 154056000

約数和(自身を除く): 89346940

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13099, 26198, 52396, 65495, 130990, 170287, 248881, 261980, 340574, 497762, 681148, 851435, 995524, 1244405, 1702870, 2488810, 3235453, 3405740, 4977620, 6470906, 12941812, 16177265, 32354530, 64709060]

約数ペア:

[(1, 64709060), (2, 32354530), (4, 16177265), (5, 12941812), (10, 6470906), (13, 4977620), (19, 3405740), (20, 3235453), (26, 2488810), (38, 1702870), (52, 1244405), (65, 995524), (76, 851435), (95, 681148), (130, 497762), (190, 340574), (247, 261980), (260, 248881), (380, 170287), (494, 130990), (988, 65495), (1235, 52396), (2470, 26198), (4940, 13099)]