8242770640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7925741}}^1$

素因数の和:7925767

約数の個数: 40

約数和(自身を含む): 20638632168

約数和(自身を除く): 12395861528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7925741, 15851482, 31702964, 39628705, 63405928, 79257410, 103034633, 126811856, 158514820, 206069266, 317029640, 412138532, 515173165, 634059280, 824277064, 1030346330, 1648554128, 2060692660, 4121385320, 8242770640]

約数ペア:

[(1, 8242770640), (2, 4121385320), (4, 2060692660), (5, 1648554128), (8, 1030346330), (10, 824277064), (13, 634059280), (16, 515173165), (20, 412138532), (26, 317029640), (40, 206069266), (52, 158514820), (65, 126811856), (80, 103034633), (104, 79257410), (130, 63405928), (208, 39628705), (260, 31702964), (520, 15851482), (1040, 7925741)]