28331960

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2939}}^1$

素因数の和:3191

約数の個数: 32

約数和(自身を含む): 64033200

約数和(自身を除く): 35701240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 2939, 4820, 5878, 9640, 11756, 14695, 23512, 29390, 58780, 117560, 708299, 1416598, 2833196, 3541495, 5666392, 7082990, 14165980, 28331960]

約数ペア:

[(1, 28331960), (2, 14165980), (4, 7082990), (5, 5666392), (8, 3541495), (10, 2833196), (20, 1416598), (40, 708299), (241, 117560), (482, 58780), (964, 29390), (1205, 23512), (1928, 14695), (2410, 11756), (2939, 9640), (4820, 5878)]