24705220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 55440000

約数和(自身を除く): 30734780

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1249, 1978, 2498, 3956, 4945, 4996, 6245, 9890, 12490, 19780, 24980, 28727, 53707, 57454, 107414, 114908, 143635, 214828, 268535, 287270, 537070, 574540, 1074140, 1235261, 2470522, 4941044, 6176305, 12352610, 24705220]

約数ペア:

[(1, 24705220), (2, 12352610), (4, 6176305), (5, 4941044), (10, 2470522), (20, 1235261), (23, 1074140), (43, 574540), (46, 537070), (86, 287270), (92, 268535), (115, 214828), (172, 143635), (215, 114908), (230, 107414), (430, 57454), (460, 53707), (860, 28727), (989, 24980), (1249, 19780), (1978, 12490), (2498, 9890), (3956, 6245), (4945, 4996)]