25333820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 56851200

約数和(自身を除く): 31517380

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1409, 1798, 2818, 3596, 4495, 5636, 7045, 8990, 14090, 17980, 28180, 40861, 43679, 81722, 87358, 163444, 174716, 204305, 218395, 408610, 436790, 817220, 873580, 1266691, 2533382, 5066764, 6333455, 12666910, 25333820]

約数ペア:

[(1, 25333820), (2, 12666910), (4, 6333455), (5, 5066764), (10, 2533382), (20, 1266691), (29, 873580), (31, 817220), (58, 436790), (62, 408610), (116, 218395), (124, 204305), (145, 174716), (155, 163444), (290, 87358), (310, 81722), (580, 43679), (620, 40861), (899, 28180), (1409, 17980), (1798, 14090), (2818, 8990), (3596, 7045), (4495, 5636)]