63290440

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1951}}^1$

素因数の和:2773

約数の個数: 32

約数和(自身を含む): 142652160

約数和(自身を除く): 79361720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 1951, 3244, 3902, 4055, 6488, 7804, 8110, 9755, 15608, 16220, 19510, 32440, 39020, 78040, 1582261, 3164522, 6329044, 7911305, 12658088, 15822610, 31645220, 63290440]

約数ペア:

[(1, 63290440), (2, 31645220), (4, 15822610), (5, 12658088), (8, 7911305), (10, 6329044), (20, 3164522), (40, 1582261), (811, 78040), (1622, 39020), (1951, 32440), (3244, 19510), (3902, 16220), (4055, 15608), (6488, 9755), (7804, 8110)]