29071720

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1777}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 65608200

約数和(自身を除く): 36536480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 1777, 2045, 3272, 3554, 4090, 7108, 8180, 8885, 14216, 16360, 17770, 35540, 71080, 726793, 1453586, 2907172, 3633965, 5814344, 7267930, 14535860, 29071720]

約数ペア:

[(1, 29071720), (2, 14535860), (4, 7267930), (5, 5814344), (8, 3633965), (10, 2907172), (20, 1453586), (40, 726793), (409, 71080), (818, 35540), (1636, 17770), (1777, 16360), (2045, 14216), (3272, 8885), (3554, 8180), (4090, 7108)]