1004080240

素因数分解:

$2^4\times 5^1\times {\mathrm{12551003}}^1$

素因数の和:12551016

約数の個数: 20

約数和(自身を含む): 2334486744

約数和(自身を除く): 1330406504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12551003, 25102006, 50204012, 62755015, 100408024, 125510030, 200816048, 251020060, 502040120, 1004080240]

約数ペア:

[(1, 1004080240), (2, 502040120), (4, 251020060), (5, 200816048), (8, 125510030), (10, 100408024), (16, 62755015), (20, 50204012), (40, 25102006), (80, 12551003)]