49781420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191467}}^1$

素因数の和:191489

約数の個数: 24

約数和(自身を含む): 112583184

約数和(自身を除く): 62801764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 191467, 382934, 765868, 957335, 1914670, 2489071, 3829340, 4978142, 9956284, 12445355, 24890710, 49781420]

約数ペア:

[(1, 49781420), (2, 24890710), (4, 12445355), (5, 9956284), (10, 4978142), (13, 3829340), (20, 2489071), (26, 1914670), (52, 957335), (65, 765868), (130, 382934), (260, 191467)]