39585980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1801}}^1$

素因数の和:1974

約数の個数: 48

約数和(自身を含む): 95664576

約数和(自身を除く): 56078596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 1801, 2198, 3140, 3602, 4396, 5495, 7204, 9005, 10990, 12607, 18010, 21980, 25214, 36020, 50428, 63035, 126070, 252140, 282757, 565514, 1131028, 1413785, 1979299, 2827570, 3958598, 5655140, 7917196, 9896495, 19792990, 39585980]

約数ペア:

[(1, 39585980), (2, 19792990), (4, 9896495), (5, 7917196), (7, 5655140), (10, 3958598), (14, 2827570), (20, 1979299), (28, 1413785), (35, 1131028), (70, 565514), (140, 282757), (157, 252140), (314, 126070), (628, 63035), (785, 50428), (1099, 36020), (1570, 25214), (1801, 21980), (2198, 18010), (3140, 12607), (3602, 10990), (4396, 9005), (5495, 7204)]