7211720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6217}}^1$

素因数の和:6257

約数の個数: 32

約数和(自身を含む): 16788600

約数和(自身を除く): 9576880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 6217, 12434, 24868, 31085, 49736, 62170, 124340, 180293, 248680, 360586, 721172, 901465, 1442344, 1802930, 3605860, 7211720]

約数ペア:

[(1, 7211720), (2, 3605860), (4, 1802930), (5, 1442344), (8, 901465), (10, 721172), (20, 360586), (29, 248680), (40, 180293), (58, 124340), (116, 62170), (145, 49736), (232, 31085), (290, 24868), (580, 12434), (1160, 6217)]