131139880

素因数分解:

$2^3\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{2819}}^1$

素因数の和:3993

約数の個数: 32

約数和(自身を含む): 295423200

約数和(自身を除く): 164283320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1163, 2326, 2819, 4652, 5638, 5815, 9304, 11276, 11630, 14095, 22552, 23260, 28190, 46520, 56380, 112760, 3278497, 6556994, 13113988, 16392485, 26227976, 32784970, 65569940, 131139880]

約数ペア:

[(1, 131139880), (2, 65569940), (4, 32784970), (5, 26227976), (8, 16392485), (10, 13113988), (20, 6556994), (40, 3278497), (1163, 112760), (2326, 56380), (2819, 46520), (4652, 28190), (5638, 23260), (5815, 22552), (9304, 14095), (11276, 11630)]