66242480

素因数分解:

$2^4\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1021}}^1$

素因数の和:1845

約数の個数: 40

約数和(自身を含む): 154354704

約数和(自身を除く): 88112224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 811, 1021, 1622, 2042, 3244, 4055, 4084, 5105, 6488, 8110, 8168, 10210, 12976, 16220, 16336, 20420, 32440, 40840, 64880, 81680, 828031, 1656062, 3312124, 4140155, 6624248, 8280310, 13248496, 16560620, 33121240, 66242480]

約数ペア:

[(1, 66242480), (2, 33121240), (4, 16560620), (5, 13248496), (8, 8280310), (10, 6624248), (16, 4140155), (20, 3312124), (40, 1656062), (80, 828031), (811, 81680), (1021, 64880), (1622, 40840), (2042, 32440), (3244, 20420), (4055, 16336), (4084, 16220), (5105, 12976), (6488, 10210), (8110, 8168)]