8677840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1619}}^1$

素因数の和:1699

約数の個数: 40

約数和(自身を含む): 20489760

約数和(自身を除く): 11811920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 1619, 2680, 3238, 5360, 6476, 8095, 12952, 16190, 25904, 32380, 64760, 108473, 129520, 216946, 433892, 542365, 867784, 1084730, 1735568, 2169460, 4338920, 8677840]

約数ペア:

[(1, 8677840), (2, 4338920), (4, 2169460), (5, 1735568), (8, 1084730), (10, 867784), (16, 542365), (20, 433892), (40, 216946), (67, 129520), (80, 108473), (134, 64760), (268, 32380), (335, 25904), (536, 16190), (670, 12952), (1072, 8095), (1340, 6476), (1619, 5360), (2680, 3238)]