5287480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 13258080

約数和(自身を除く): 7970600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 197, 220, 244, 305, 394, 440, 488, 610, 671, 788, 985, 1220, 1342, 1576, 1970, 2167, 2440, 2684, 3355, 3940, 4334, 5368, 6710, 7880, 8668, 10835, 12017, 13420, 17336, 21670, 24034, 26840, 43340, 48068, 60085, 86680, 96136, 120170, 132187, 240340, 264374, 480680, 528748, 660935, 1057496, 1321870, 2643740, 5287480]

約数ペア:

[(1, 5287480), (2, 2643740), (4, 1321870), (5, 1057496), (8, 660935), (10, 528748), (11, 480680), (20, 264374), (22, 240340), (40, 132187), (44, 120170), (55, 96136), (61, 86680), (88, 60085), (110, 48068), (122, 43340), (197, 26840), (220, 24034), (244, 21670), (305, 17336), (394, 13420), (440, 12017), (488, 10835), (610, 8668), (671, 7880), (788, 6710), (985, 5368), (1220, 4334), (1342, 3940), (1576, 3355), (1970, 2684), (2167, 2440)]