8826740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 21146832

約数和(自身を除く): 12320092

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 1997, 2210, 3994, 4420, 7988, 9985, 19970, 25961, 33949, 39940, 51922, 67898, 103844, 129805, 135796, 169745, 259610, 339490, 441337, 519220, 678980, 882674, 1765348, 2206685, 4413370, 8826740]

約数ペア:

[(1, 8826740), (2, 4413370), (4, 2206685), (5, 1765348), (10, 882674), (13, 678980), (17, 519220), (20, 441337), (26, 339490), (34, 259610), (52, 169745), (65, 135796), (68, 129805), (85, 103844), (130, 67898), (170, 51922), (221, 39940), (260, 33949), (340, 25961), (442, 19970), (884, 9985), (1105, 7988), (1997, 4420), (2210, 3994)]