87670640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8629}}^1$

素因数の和:8769

約数の個数: 40

約数和(自身を含む): 205463040

約数和(自身を除く): 117792400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 8629, 10160, 17258, 34516, 43145, 69032, 86290, 138064, 172580, 345160, 690320, 1095883, 2191766, 4383532, 5479415, 8767064, 10958830, 17534128, 21917660, 43835320, 87670640]

約数ペア:

[(1, 87670640), (2, 43835320), (4, 21917660), (5, 17534128), (8, 10958830), (10, 8767064), (16, 5479415), (20, 4383532), (40, 2191766), (80, 1095883), (127, 690320), (254, 345160), (508, 172580), (635, 138064), (1016, 86290), (1270, 69032), (2032, 43145), (2540, 34516), (5080, 17258), (8629, 10160)]