40430440

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1493}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 91163880

約数和(自身を除く): 50733440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 1493, 2708, 2986, 3385, 5416, 5972, 6770, 7465, 11944, 13540, 14930, 27080, 29860, 59720, 1010761, 2021522, 4043044, 5053805, 8086088, 10107610, 20215220, 40430440]

約数ペア:

[(1, 40430440), (2, 20215220), (4, 10107610), (5, 8086088), (8, 5053805), (10, 4043044), (20, 2021522), (40, 1010761), (677, 59720), (1354, 29860), (1493, 27080), (2708, 14930), (2986, 13540), (3385, 11944), (5416, 7465), (5972, 6770)]