8281360

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1697}}^1$

素因数の和:1771

約数の個数: 40

約数和(自身を含む): 19581336

約数和(自身を除く): 11299976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1697, 2440, 3394, 4880, 6788, 8485, 13576, 16970, 27152, 33940, 67880, 103517, 135760, 207034, 414068, 517585, 828136, 1035170, 1656272, 2070340, 4140680, 8281360]

約数ペア:

[(1, 8281360), (2, 4140680), (4, 2070340), (5, 1656272), (8, 1035170), (10, 828136), (16, 517585), (20, 414068), (40, 207034), (61, 135760), (80, 103517), (122, 67880), (244, 33940), (305, 27152), (488, 16970), (610, 13576), (976, 8485), (1220, 6788), (1697, 4880), (2440, 3394)]