556801640

素因数分解:

$2^3\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{7369}}^1$

素因数の和:9269

約数の個数: 32

約数和(自身を含む): 1253637000

約数和(自身を除く): 696835360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1889, 3778, 7369, 7556, 9445, 14738, 15112, 18890, 29476, 36845, 37780, 58952, 73690, 75560, 147380, 294760, 13920041, 27840082, 55680164, 69600205, 111360328, 139200410, 278400820, 556801640]

約数ペア:

[(1, 556801640), (2, 278400820), (4, 139200410), (5, 111360328), (8, 69600205), (10, 55680164), (20, 27840082), (40, 13920041), (1889, 294760), (3778, 147380), (7369, 75560), (7556, 73690), (9445, 58952), (14738, 37780), (15112, 36845), (18890, 29476)]