68940440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101383}}^1$

素因数の和:101411

約数の個数: 32

約数和(自身を含む): 164242080

約数和(自身を除く): 95301640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 101383, 202766, 405532, 506915, 811064, 1013830, 1723511, 2027660, 3447022, 4055320, 6894044, 8617555, 13788088, 17235110, 34470220, 68940440]

約数ペア:

[(1, 68940440), (2, 34470220), (4, 17235110), (5, 13788088), (8, 8617555), (10, 6894044), (17, 4055320), (20, 3447022), (34, 2027660), (40, 1723511), (68, 1013830), (85, 811064), (136, 506915), (170, 405532), (340, 202766), (680, 101383)]