80089120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 199051776

約数和(自身を除く): 118962656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 67, 80, 124, 134, 155, 160, 241, 248, 268, 310, 335, 482, 496, 536, 620, 670, 964, 992, 1072, 1205, 1240, 1340, 1928, 2077, 2144, 2410, 2480, 2680, 3856, 4154, 4820, 4960, 5360, 7471, 7712, 8308, 9640, 10385, 10720, 14942, 16147, 16616, 19280, 20770, 29884, 32294, 33232, 37355, 38560, 41540, 59768, 64588, 66464, 74710, 80735, 83080, 119536, 129176, 149420, 161470, 166160, 239072, 258352, 298840, 322940, 332320, 500557, 516704, 597680, 645880, 1001114, 1195360, 1291760, 2002228, 2502785, 2583520, 4004456, 5005570, 8008912, 10011140, 16017824, 20022280, 40044560, 80089120]

約数ペア:

[(1, 80089120), (2, 40044560), (4, 20022280), (5, 16017824), (8, 10011140), (10, 8008912), (16, 5005570), (20, 4004456), (31, 2583520), (32, 2502785), (40, 2002228), (62, 1291760), (67, 1195360), (80, 1001114), (124, 645880), (134, 597680), (155, 516704), (160, 500557), (241, 332320), (248, 322940), (268, 298840), (310, 258352), (335, 239072), (482, 166160), (496, 161470), (536, 149420), (620, 129176), (670, 119536), (964, 83080), (992, 80735), (1072, 74710), (1205, 66464), (1240, 64588), (1340, 59768), (1928, 41540), (2077, 38560), (2144, 37355), (2410, 33232), (2480, 32294), (2680, 29884), (3856, 20770), (4154, 19280), (4820, 16616), (4960, 16147), (5360, 14942), (7471, 10720), (7712, 10385), (8308, 9640)]