71429020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6389}}^1$

素因数の和:6454

約数の個数: 48

約数和(自身を含む): 165322080

約数和(自身を除く): 93893060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 6389, 11180, 12778, 25556, 31945, 63890, 83057, 127780, 166114, 274727, 332228, 415285, 549454, 830570, 1098908, 1373635, 1661140, 2747270, 3571451, 5494540, 7142902, 14285804, 17857255, 35714510, 71429020]

約数ペア:

[(1, 71429020), (2, 35714510), (4, 17857255), (5, 14285804), (10, 7142902), (13, 5494540), (20, 3571451), (26, 2747270), (43, 1661140), (52, 1373635), (65, 1098908), (86, 830570), (130, 549454), (172, 415285), (215, 332228), (260, 274727), (430, 166114), (559, 127780), (860, 83057), (1118, 63890), (2236, 31945), (2795, 25556), (5590, 12778), (6389, 11180)]