82578140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{599}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 178113600

約数和(自身を除く): 95535460

約数列:

[1, 2, 4, 5, 10, 20, 61, 113, 122, 226, 244, 305, 452, 565, 599, 610, 1130, 1198, 1220, 2260, 2396, 2995, 5990, 6893, 11980, 13786, 27572, 34465, 36539, 67687, 68930, 73078, 135374, 137860, 146156, 182695, 270748, 338435, 365390, 676870, 730780, 1353740, 4128907, 8257814, 16515628, 20644535, 41289070, 82578140]

約数ペア:

[(1, 82578140), (2, 41289070), (4, 20644535), (5, 16515628), (10, 8257814), (20, 4128907), (61, 1353740), (113, 730780), (122, 676870), (226, 365390), (244, 338435), (305, 270748), (452, 182695), (565, 146156), (599, 137860), (610, 135374), (1130, 73078), (1198, 68930), (1220, 67687), (2260, 36539), (2396, 34465), (2995, 27572), (5990, 13786), (6893, 11980)]