80273560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 185613120

約数和(自身を除く): 105339560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 167, 197, 244, 305, 334, 394, 488, 610, 668, 788, 835, 985, 1220, 1336, 1576, 1670, 1970, 2440, 3340, 3940, 6680, 7880, 10187, 12017, 20374, 24034, 32899, 40748, 48068, 50935, 60085, 65798, 81496, 96136, 101870, 120170, 131596, 164495, 203740, 240340, 263192, 328990, 407480, 480680, 657980, 1315960, 2006839, 4013678, 8027356, 10034195, 16054712, 20068390, 40136780, 80273560]

約数ペア:

[(1, 80273560), (2, 40136780), (4, 20068390), (5, 16054712), (8, 10034195), (10, 8027356), (20, 4013678), (40, 2006839), (61, 1315960), (122, 657980), (167, 480680), (197, 407480), (244, 328990), (305, 263192), (334, 240340), (394, 203740), (488, 164495), (610, 131596), (668, 120170), (788, 101870), (835, 96136), (985, 81496), (1220, 65798), (1336, 60085), (1576, 50935), (1670, 48068), (1970, 40748), (2440, 32899), (3340, 24034), (3940, 20374), (6680, 12017), (7880, 10187)]