40413820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1181}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 89359200

約数和(自身を除く): 48945380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 580, 590, 1180, 1181, 1711, 2362, 3422, 4724, 5905, 6844, 8555, 11810, 17110, 23620, 34220, 34249, 68498, 69679, 136996, 139358, 171245, 278716, 342490, 348395, 684980, 696790, 1393580, 2020691, 4041382, 8082764, 10103455, 20206910, 40413820]

約数ペア:

[(1, 40413820), (2, 20206910), (4, 10103455), (5, 8082764), (10, 4041382), (20, 2020691), (29, 1393580), (58, 696790), (59, 684980), (116, 348395), (118, 342490), (145, 278716), (236, 171245), (290, 139358), (295, 136996), (580, 69679), (590, 68498), (1180, 34249), (1181, 34220), (1711, 23620), (2362, 17110), (3422, 11810), (4724, 8555), (5905, 6844)]