87419620

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{16249}}^1$

素因数の和:16527

約数の個数: 24

約数和(自身を含む): 184275000

約数和(自身を除く): 96855380

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 16249, 32498, 64996, 81245, 162490, 324980, 4370981, 8741962, 17483924, 21854905, 43709810, 87419620]

約数ペア:

[(1, 87419620), (2, 43709810), (4, 21854905), (5, 17483924), (10, 8741962), (20, 4370981), (269, 324980), (538, 162490), (1076, 81245), (1345, 64996), (2690, 32498), (5380, 16249)]