80144260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13313}}^1$

素因数の和:13372

約数の個数: 48

約数和(自身を含む): 196834176

約数和(自身を除く): 116689916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 13313, 26626, 53252, 66565, 93191, 133130, 186382, 266260, 372764, 465955, 572459, 931910, 1144918, 1863820, 2289836, 2862295, 4007213, 5724590, 8014426, 11449180, 16028852, 20036065, 40072130, 80144260]

約数ペア:

[(1, 80144260), (2, 40072130), (4, 20036065), (5, 16028852), (7, 11449180), (10, 8014426), (14, 5724590), (20, 4007213), (28, 2862295), (35, 2289836), (43, 1863820), (70, 1144918), (86, 931910), (140, 572459), (172, 465955), (215, 372764), (301, 266260), (430, 186382), (602, 133130), (860, 93191), (1204, 66565), (1505, 53252), (3010, 26626), (6020, 13313)]