8049238520

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1\times {\mathrm{2273}}^1$

素因数の和:2904

約数の個数: 64

約数和(自身を含む): 18245848320

約数和(自身を除く): 10196609800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 397, 446, 794, 892, 1115, 1588, 1784, 1985, 2230, 2273, 3176, 3970, 4460, 4546, 7940, 8920, 9092, 11365, 15880, 18184, 22730, 45460, 88531, 90920, 177062, 354124, 442655, 506879, 708248, 885310, 902381, 1013758, 1770620, 1804762, 2027516, 2534395, 3541240, 3609524, 4055032, 4511905, 5068790, 7219048, 9023810, 10137580, 18047620, 20275160, 36095240, 201230963, 402461926, 804923852, 1006154815, 1609847704, 2012309630, 4024619260, 8049238520]

約数ペア:

[(1, 8049238520), (2, 4024619260), (4, 2012309630), (5, 1609847704), (8, 1006154815), (10, 804923852), (20, 402461926), (40, 201230963), (223, 36095240), (397, 20275160), (446, 18047620), (794, 10137580), (892, 9023810), (1115, 7219048), (1588, 5068790), (1784, 4511905), (1985, 4055032), (2230, 3609524), (2273, 3541240), (3176, 2534395), (3970, 2027516), (4460, 1804762), (4546, 1770620), (7940, 1013758), (8920, 902381), (9092, 885310), (11365, 708248), (15880, 506879), (18184, 442655), (22730, 354124), (45460, 177062), (88531, 90920)]