26145820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 57808800

約数和(自身を除く): 31662980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 739, 1220, 1478, 1769, 2956, 3538, 3695, 7076, 7390, 8845, 14780, 17690, 21431, 35380, 42862, 45079, 85724, 90158, 107155, 180316, 214310, 225395, 428620, 450790, 901580, 1307291, 2614582, 5229164, 6536455, 13072910, 26145820]

約数ペア:

[(1, 26145820), (2, 13072910), (4, 6536455), (5, 5229164), (10, 2614582), (20, 1307291), (29, 901580), (58, 450790), (61, 428620), (116, 225395), (122, 214310), (145, 180316), (244, 107155), (290, 90158), (305, 85724), (580, 45079), (610, 42862), (739, 35380), (1220, 21431), (1478, 17690), (1769, 14780), (2956, 8845), (3538, 7390), (3695, 7076)]