8140640

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 19495728

約数和(自身を除く): 11355088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 613, 664, 830, 1226, 1328, 1660, 2452, 2656, 3065, 3320, 4904, 6130, 6640, 9808, 12260, 13280, 19616, 24520, 49040, 50879, 98080, 101758, 203516, 254395, 407032, 508790, 814064, 1017580, 1628128, 2035160, 4070320, 8140640]

約数ペア:

[(1, 8140640), (2, 4070320), (4, 2035160), (5, 1628128), (8, 1017580), (10, 814064), (16, 508790), (20, 407032), (32, 254395), (40, 203516), (80, 101758), (83, 98080), (160, 50879), (166, 49040), (332, 24520), (415, 19616), (613, 13280), (664, 12260), (830, 9808), (1226, 6640), (1328, 6130), (1660, 4904), (2452, 3320), (2656, 3065)]