87101015

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 110079024

約数和(自身を除く): 22978009

約数列:

[1, 5, 41, 43, 205, 215, 241, 1205, 1681, 1763, 8405, 8815, 9881, 10363, 49405, 51815, 72283, 361415, 405121, 424883, 2025605, 2124415, 17420203, 87101015]

約数ペア:

[(1, 87101015), (5, 17420203), (41, 2124415), (43, 2025605), (205, 424883), (215, 405121), (241, 361415), (1205, 72283), (1681, 51815), (1763, 49405), (8405, 10363), (8815, 9881)]