3940807720

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{314761}}^1$

素因数の和:315085

約数の個数: 32

約数和(自身を含む): 8895174120

約数和(自身を除く): 4954366400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 314761, 629522, 1259044, 1573805, 2518088, 3147610, 6295220, 12590440, 98520193, 197040386, 394080772, 492600965, 788161544, 985201930, 1970403860, 3940807720]

約数ペア:

[(1, 3940807720), (2, 1970403860), (4, 985201930), (5, 788161544), (8, 492600965), (10, 394080772), (20, 197040386), (40, 98520193), (313, 12590440), (626, 6295220), (1252, 3147610), (1565, 2518088), (2504, 1573805), (3130, 1259044), (6260, 629522), (12520, 314761)]