5428165720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{12401}}^1$

素因数の和:12796

約数の個数: 64

約数和(自身を含む): 12644087040

約数和(自身を除く): 7215921320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 353, 620, 706, 1240, 1412, 1765, 2824, 3530, 7060, 10943, 12401, 14120, 21886, 24802, 43772, 49604, 54715, 62005, 87544, 99208, 109430, 124010, 218860, 248020, 384431, 437720, 496040, 768862, 1537724, 1922155, 3075448, 3844310, 4377553, 7688620, 8755106, 15377240, 17510212, 21887765, 35020424, 43775530, 87551060, 135704143, 175102120, 271408286, 542816572, 678520715, 1085633144, 1357041430, 2714082860, 5428165720]

約数ペア:

[(1, 5428165720), (2, 2714082860), (4, 1357041430), (5, 1085633144), (8, 678520715), (10, 542816572), (20, 271408286), (31, 175102120), (40, 135704143), (62, 87551060), (124, 43775530), (155, 35020424), (248, 21887765), (310, 17510212), (353, 15377240), (620, 8755106), (706, 7688620), (1240, 4377553), (1412, 3844310), (1765, 3075448), (2824, 1922155), (3530, 1537724), (7060, 768862), (10943, 496040), (12401, 437720), (14120, 384431), (21886, 248020), (24802, 218860), (43772, 124010), (49604, 109430), (54715, 99208), (62005, 87544)]