10490740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 23969232

約数和(自身を除く): 13478492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 257, 260, 314, 514, 628, 785, 1028, 1285, 1570, 2041, 2570, 3140, 3341, 4082, 5140, 6682, 8164, 10205, 13364, 16705, 20410, 33410, 40349, 40820, 66820, 80698, 161396, 201745, 403490, 524537, 806980, 1049074, 2098148, 2622685, 5245370, 10490740]

約数ペア:

[(1, 10490740), (2, 5245370), (4, 2622685), (5, 2098148), (10, 1049074), (13, 806980), (20, 524537), (26, 403490), (52, 201745), (65, 161396), (130, 80698), (157, 66820), (257, 40820), (260, 40349), (314, 33410), (514, 20410), (628, 16705), (785, 13364), (1028, 10205), (1285, 8164), (1570, 6682), (2041, 5140), (2570, 4082), (3140, 3341)]