1387664080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1576891}}^1$

素因数の和:1576915

約数の個数: 40

約数和(自身を含む): 3519622944

約数和(自身を除く): 2131958864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1576891, 3153782, 6307564, 7884455, 12615128, 15768910, 17345801, 25230256, 31537820, 34691602, 63075640, 69383204, 86729005, 126151280, 138766408, 173458010, 277532816, 346916020, 693832040, 1387664080]

約数ペア:

[(1, 1387664080), (2, 693832040), (4, 346916020), (5, 277532816), (8, 173458010), (10, 138766408), (11, 126151280), (16, 86729005), (20, 69383204), (22, 63075640), (40, 34691602), (44, 31537820), (55, 25230256), (80, 17345801), (88, 15768910), (110, 12615128), (176, 7884455), (220, 6307564), (440, 3153782), (880, 1576891)]