27909940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22877}}^1$

素因数の和:22947

約数の個数: 24

約数和(自身を含む): 59574312

約数和(自身を除く): 31664372

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 22877, 45754, 91508, 114385, 228770, 457540, 1395497, 2790994, 5581988, 6977485, 13954970, 27909940]

約数ペア:

[(1, 27909940), (2, 13954970), (4, 6977485), (5, 5581988), (10, 2790994), (20, 1395497), (61, 457540), (122, 228770), (244, 114385), (305, 91508), (610, 45754), (1220, 22877)]