40729840

素因数分解:

$2^4\times 5^1\times {\mathrm{509123}}^1$

素因数の和:509136

約数の個数: 20

約数和(自身を含む): 94697064

約数和(自身を除く): 53967224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509123, 1018246, 2036492, 2545615, 4072984, 5091230, 8145968, 10182460, 20364920, 40729840]

約数ペア:

[(1, 40729840), (2, 20364920), (4, 10182460), (5, 8145968), (8, 5091230), (10, 4072984), (16, 2545615), (20, 2036492), (40, 1018246), (80, 509123)]