9972280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{67}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 23151960

約数和(自身を除く): 13179680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 244, 268, 305, 335, 488, 536, 610, 670, 1220, 1340, 2440, 2680, 3721, 4087, 7442, 8174, 14884, 16348, 18605, 20435, 29768, 32696, 37210, 40870, 74420, 81740, 148840, 163480, 249307, 498614, 997228, 1246535, 1994456, 2493070, 4986140, 9972280]

約数ペア:

[(1, 9972280), (2, 4986140), (4, 2493070), (5, 1994456), (8, 1246535), (10, 997228), (20, 498614), (40, 249307), (61, 163480), (67, 148840), (122, 81740), (134, 74420), (244, 40870), (268, 37210), (305, 32696), (335, 29768), (488, 20435), (536, 18605), (610, 16348), (670, 14884), (1220, 8174), (1340, 7442), (2440, 4087), (2680, 3721)]