7875880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 19166400

約数和(自身を除く): 11290520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 241, 344, 380, 430, 482, 760, 817, 860, 964, 1205, 1634, 1720, 1928, 2410, 3268, 4085, 4579, 4820, 6536, 8170, 9158, 9640, 10363, 16340, 18316, 20726, 22895, 32680, 36632, 41452, 45790, 51815, 82904, 91580, 103630, 183160, 196897, 207260, 393794, 414520, 787588, 984485, 1575176, 1968970, 3937940, 7875880]

約数ペア:

[(1, 7875880), (2, 3937940), (4, 1968970), (5, 1575176), (8, 984485), (10, 787588), (19, 414520), (20, 393794), (38, 207260), (40, 196897), (43, 183160), (76, 103630), (86, 91580), (95, 82904), (152, 51815), (172, 45790), (190, 41452), (215, 36632), (241, 32680), (344, 22895), (380, 20726), (430, 18316), (482, 16340), (760, 10363), (817, 9640), (860, 9158), (964, 8170), (1205, 6536), (1634, 4820), (1720, 4579), (1928, 4085), (2410, 3268)]