40342760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7699}}^1$

素因数の和:7841

約数の個数: 32

約数和(自身を含む): 91476000

約数和(自身を除く): 51133240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 7699, 15398, 30796, 38495, 61592, 76990, 153980, 307960, 1008569, 2017138, 4034276, 5042845, 8068552, 10085690, 20171380, 40342760]

約数ペア:

[(1, 40342760), (2, 20171380), (4, 10085690), (5, 8068552), (8, 5042845), (10, 4034276), (20, 2017138), (40, 1008569), (131, 307960), (262, 153980), (524, 76990), (655, 61592), (1048, 38495), (1310, 30796), (2620, 15398), (5240, 7699)]