66563510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 135475200

約数和(自身を除く): 68911690

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 83, 130, 155, 166, 199, 310, 398, 403, 415, 806, 830, 995, 1079, 1990, 2015, 2158, 2573, 2587, 4030, 5146, 5174, 5395, 6169, 10790, 12338, 12865, 12935, 16517, 25730, 25870, 30845, 33034, 33449, 61690, 66898, 80197, 82585, 160394, 165170, 167245, 214721, 334490, 400985, 429442, 512027, 801970, 1024054, 1073605, 2147210, 2560135, 5120270, 6656351, 13312702, 33281755, 66563510]

約数ペア:

[(1, 66563510), (2, 33281755), (5, 13312702), (10, 6656351), (13, 5120270), (26, 2560135), (31, 2147210), (62, 1073605), (65, 1024054), (83, 801970), (130, 512027), (155, 429442), (166, 400985), (199, 334490), (310, 214721), (398, 167245), (403, 165170), (415, 160394), (806, 82585), (830, 80197), (995, 66898), (1079, 61690), (1990, 33449), (2015, 33034), (2158, 30845), (2573, 25870), (2587, 25730), (4030, 16517), (5146, 12935), (5174, 12865), (5395, 12338), (6169, 10790)]