40448140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 88016544

約数和(自身を除く): 47568404

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 410, 428, 461, 535, 820, 922, 1070, 1844, 2140, 2305, 4387, 4610, 8774, 9220, 17548, 18901, 21935, 37802, 43870, 49327, 75604, 87740, 94505, 98654, 189010, 197308, 246635, 378020, 493270, 986540, 2022407, 4044814, 8089628, 10112035, 20224070, 40448140]

約数ペア:

[(1, 40448140), (2, 20224070), (4, 10112035), (5, 8089628), (10, 4044814), (20, 2022407), (41, 986540), (82, 493270), (107, 378020), (164, 246635), (205, 197308), (214, 189010), (410, 98654), (428, 94505), (461, 87740), (535, 75604), (820, 49327), (922, 43870), (1070, 37802), (1844, 21935), (2140, 18901), (2305, 17548), (4387, 9220), (4610, 8774)]