39747910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4019}}^1$

素因数の和:4092

約数の個数: 32

約数和(自身を含む): 76412160

約数和(自身を除く): 36664250

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4019, 4945, 8038, 9890, 20095, 40190, 92437, 172817, 184874, 345634, 462185, 864085, 924370, 1728170, 3974791, 7949582, 19873955, 39747910]

約数ペア:

[(1, 39747910), (2, 19873955), (5, 7949582), (10, 3974791), (23, 1728170), (43, 924370), (46, 864085), (86, 462185), (115, 345634), (215, 184874), (230, 172817), (430, 92437), (989, 40190), (1978, 20095), (4019, 9890), (4945, 8038)]