8138620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{953}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 19873728

約数和(自身を除く): 11735108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 953, 1220, 1708, 1906, 2135, 3812, 4270, 4765, 6671, 8540, 9530, 13342, 19060, 26684, 33355, 58133, 66710, 116266, 133420, 232532, 290665, 406931, 581330, 813862, 1162660, 1627724, 2034655, 4069310, 8138620]

約数ペア:

[(1, 8138620), (2, 4069310), (4, 2034655), (5, 1627724), (7, 1162660), (10, 813862), (14, 581330), (20, 406931), (28, 290665), (35, 232532), (61, 133420), (70, 116266), (122, 66710), (140, 58133), (244, 33355), (305, 26684), (427, 19060), (610, 13342), (854, 9530), (953, 8540), (1220, 6671), (1708, 4765), (1906, 4270), (2135, 3812)]