42589040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1378

約数の個数: 80

約数和(自身を含む): 110159616

約数和(自身を除く): 67570576

約数列:

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

約数ペア:

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