13101020720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1840031}}^1$

素因数の和:1840133

約数の個数: 40

約数和(自身を含む): 30802135680

約数和(自身を除く): 17701114960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 1840031, 3680062, 7360124, 9200155, 14720248, 18400310, 29440496, 36800620, 73601240, 147202480, 163762759, 327525518, 655051036, 818813795, 1310102072, 1637627590, 2620204144, 3275255180, 6550510360, 13101020720]

約数ペア:

[(1, 13101020720), (2, 6550510360), (4, 3275255180), (5, 2620204144), (8, 1637627590), (10, 1310102072), (16, 818813795), (20, 655051036), (40, 327525518), (80, 163762759), (89, 147202480), (178, 73601240), (356, 36800620), (445, 29440496), (712, 18400310), (890, 14720248), (1424, 9200155), (1780, 7360124), (3560, 3680062), (7120, 1840031)]