51220360

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{3433}}^1$

素因数の和:3817

約数の個数: 32

約数和(自身を含む): 115588440

約数和(自身を除く): 64368080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3433, 3730, 6866, 7460, 13732, 14920, 17165, 27464, 34330, 68660, 137320, 1280509, 2561018, 5122036, 6402545, 10244072, 12805090, 25610180, 51220360]

約数ペア:

[(1, 51220360), (2, 25610180), (4, 12805090), (5, 10244072), (8, 6402545), (10, 5122036), (20, 2561018), (40, 1280509), (373, 137320), (746, 68660), (1492, 34330), (1865, 27464), (2984, 17165), (3433, 14920), (3730, 13732), (6866, 7460)]