16565480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1433}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 39621420

約数和(自身を除く): 23055940

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1433, 1445, 2312, 2866, 2890, 5732, 5780, 7165, 11464, 11560, 14330, 24361, 28660, 48722, 57320, 97444, 121805, 194888, 243610, 414137, 487220, 828274, 974440, 1656548, 2070685, 3313096, 4141370, 8282740, 16565480]

約数ペア:

[(1, 16565480), (2, 8282740), (4, 4141370), (5, 3313096), (8, 2070685), (10, 1656548), (17, 974440), (20, 828274), (34, 487220), (40, 414137), (68, 243610), (85, 194888), (136, 121805), (170, 97444), (289, 57320), (340, 48722), (578, 28660), (680, 24361), (1156, 14330), (1433, 11560), (1445, 11464), (2312, 7165), (2866, 5780), (2890, 5732)]