85178080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1380

約数の個数: 96

約数和(自身を含む): 223872768

約数和(自身を除く): 138694688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1321, 1612, 2015, 2080, 2480, 2642, 3224, 4030, 4960, 5284, 6448, 6605, 8060, 10568, 12896, 13210, 16120, 17173, 21136, 26420, 32240, 34346, 40951, 42272, 52840, 64480, 68692, 81902, 85865, 105680, 137384, 163804, 171730, 204755, 211360, 274768, 327608, 343460, 409510, 532363, 549536, 655216, 686920, 819020, 1064726, 1310432, 1373840, 1638040, 2129452, 2661815, 2747680, 3276080, 4258904, 5323630, 6552160, 8517808, 10647260, 17035616, 21294520, 42589040, 85178080]

約数ペア:

[(1, 85178080), (2, 42589040), (4, 21294520), (5, 17035616), (8, 10647260), (10, 8517808), (13, 6552160), (16, 5323630), (20, 4258904), (26, 3276080), (31, 2747680), (32, 2661815), (40, 2129452), (52, 1638040), (62, 1373840), (65, 1310432), (80, 1064726), (104, 819020), (124, 686920), (130, 655216), (155, 549536), (160, 532363), (208, 409510), (248, 343460), (260, 327608), (310, 274768), (403, 211360), (416, 204755), (496, 171730), (520, 163804), (620, 137384), (806, 105680), (992, 85865), (1040, 81902), (1240, 68692), (1321, 64480), (1612, 52840), (2015, 42272), (2080, 40951), (2480, 34346), (2642, 32240), (3224, 26420), (4030, 21136), (4960, 17173), (5284, 16120), (6448, 13210), (6605, 12896), (8060, 10568)]