8378898440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19042951}}^1$

素因数の和:19042973

約数の個数: 32

約数和(自身を含む): 20566388160

約数和(自身を除く): 12187489720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19042951, 38085902, 76171804, 95214755, 152343608, 190429510, 209472461, 380859020, 418944922, 761718040, 837889844, 1047362305, 1675779688, 2094724610, 4189449220, 8378898440]

約数ペア:

[(1, 8378898440), (2, 4189449220), (4, 2094724610), (5, 1675779688), (8, 1047362305), (10, 837889844), (11, 761718040), (20, 418944922), (22, 380859020), (40, 209472461), (44, 190429510), (55, 152343608), (88, 95214755), (110, 76171804), (220, 38085902), (440, 19042951)]