90816010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{1109}}^1$

素因数の和:1566

約数の個数: 32

約数和(自身を含む): 172627200

約数和(自身を除く): 81811190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 431, 862, 1109, 2155, 2218, 4310, 5545, 8189, 11090, 16378, 21071, 40945, 42142, 81890, 105355, 210710, 477979, 955958, 2389895, 4779790, 9081601, 18163202, 45408005, 90816010]

約数ペア:

[(1, 90816010), (2, 45408005), (5, 18163202), (10, 9081601), (19, 4779790), (38, 2389895), (95, 955958), (190, 477979), (431, 210710), (862, 105355), (1109, 81890), (2155, 42142), (2218, 40945), (4310, 21071), (5545, 16378), (8189, 11090)]