40687520

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2333}}^1$

素因数の和:2457

約数の個数: 48

約数和(自身を含む): 97047720

約数和(自身を除く): 56360200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 2333, 3488, 4360, 4666, 8720, 9332, 11665, 17440, 18664, 23330, 37328, 46660, 74656, 93320, 186640, 254297, 373280, 508594, 1017188, 1271485, 2034376, 2542970, 4068752, 5085940, 8137504, 10171880, 20343760, 40687520]

約数ペア:

[(1, 40687520), (2, 20343760), (4, 10171880), (5, 8137504), (8, 5085940), (10, 4068752), (16, 2542970), (20, 2034376), (32, 1271485), (40, 1017188), (80, 508594), (109, 373280), (160, 254297), (218, 186640), (436, 93320), (545, 74656), (872, 46660), (1090, 37328), (1744, 23330), (2180, 18664), (2333, 17440), (3488, 11665), (4360, 9332), (4666, 8720)]