42572380

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16249}}^1$

素因数の和:16389

約数の個数: 24

約数和(自身を含む): 90090000

約数和(自身を除く): 47517620

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 16249, 32498, 64996, 81245, 162490, 324980, 2128619, 4257238, 8514476, 10643095, 21286190, 42572380]

約数ペア:

[(1, 42572380), (2, 21286190), (4, 10643095), (5, 8514476), (10, 4257238), (20, 2128619), (131, 324980), (262, 162490), (524, 81245), (655, 64996), (1310, 32498), (2620, 16249)]