64711420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{140677}}^1$

素因数の和:140709

約数の個数: 24

約数和(自身を含む): 141803424

約数和(自身を除く): 77092004

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 140677, 281354, 562708, 703385, 1406770, 2813540, 3235571, 6471142, 12942284, 16177855, 32355710, 64711420]

約数ペア:

[(1, 64711420), (2, 32355710), (4, 16177855), (5, 12942284), (10, 6471142), (20, 3235571), (23, 2813540), (46, 1406770), (92, 703385), (115, 562708), (230, 281354), (460, 140677)]