13017640

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{647}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 29393280

約数和(自身を除く): 16375640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 647, 1006, 1294, 2012, 2515, 2588, 3235, 4024, 5030, 5176, 6470, 10060, 12940, 20120, 25880, 325441, 650882, 1301764, 1627205, 2603528, 3254410, 6508820, 13017640]

約数ペア:

[(1, 13017640), (2, 6508820), (4, 3254410), (5, 2603528), (8, 1627205), (10, 1301764), (20, 650882), (40, 325441), (503, 25880), (647, 20120), (1006, 12940), (1294, 10060), (2012, 6470), (2515, 5176), (2588, 5030), (3235, 4024)]