40440640

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2939}}^1$

素因数の和:2999

約数の個数: 56

約数和(自身を含む): 98572320

約数和(自身を除く): 58131680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 2939, 3440, 5878, 6880, 11756, 13760, 14695, 23512, 29390, 47024, 58780, 94048, 117560, 126377, 188096, 235120, 252754, 470240, 505508, 631885, 940480, 1011016, 1263770, 2022032, 2527540, 4044064, 5055080, 8088128, 10110160, 20220320, 40440640]

約数ペア:

[(1, 40440640), (2, 20220320), (4, 10110160), (5, 8088128), (8, 5055080), (10, 4044064), (16, 2527540), (20, 2022032), (32, 1263770), (40, 1011016), (43, 940480), (64, 631885), (80, 505508), (86, 470240), (160, 252754), (172, 235120), (215, 188096), (320, 126377), (344, 117560), (430, 94048), (688, 58780), (860, 47024), (1376, 29390), (1720, 23512), (2752, 14695), (2939, 13760), (3440, 11756), (5878, 6880)]