23861980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19559}}^1$

素因数の和:19629

約数の個数: 24

約数和(自身を含む): 50934240

約数和(自身を除く): 27072260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 19559, 39118, 78236, 97795, 195590, 391180, 1193099, 2386198, 4772396, 5965495, 11930990, 23861980]

約数ペア:

[(1, 23861980), (2, 11930990), (4, 5965495), (5, 4772396), (10, 2386198), (20, 1193099), (61, 391180), (122, 195590), (244, 97795), (305, 78236), (610, 39118), (1220, 19559)]