139344080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40507}}^1$

素因数の和:40563

約数の個数: 40

約数和(自身を含む): 331517472

約数和(自身を除く): 192173392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 40507, 81014, 162028, 202535, 324056, 405070, 648112, 810140, 1620280, 1741801, 3240560, 3483602, 6967204, 8709005, 13934408, 17418010, 27868816, 34836020, 69672040, 139344080]

約数ペア:

[(1, 139344080), (2, 69672040), (4, 34836020), (5, 27868816), (8, 17418010), (10, 13934408), (16, 8709005), (20, 6967204), (40, 3483602), (43, 3240560), (80, 1741801), (86, 1620280), (172, 810140), (215, 648112), (344, 405070), (430, 324056), (688, 202535), (860, 162028), (1720, 81014), (3440, 40507)]