28174460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^2$

素因数の和:414

約数の個数: 36

約数和(自身を含む): 60878664

約数和(自身を除く): 32704204

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 362, 430, 724, 860, 905, 1810, 3620, 7783, 15566, 31132, 32761, 38915, 65522, 77830, 131044, 155660, 163805, 327610, 655220, 1408723, 2817446, 5634892, 7043615, 14087230, 28174460]

約数ペア:

[(1, 28174460), (2, 14087230), (4, 7043615), (5, 5634892), (10, 2817446), (20, 1408723), (43, 655220), (86, 327610), (172, 163805), (181, 155660), (215, 131044), (362, 77830), (430, 65522), (724, 38915), (860, 32761), (905, 31132), (1810, 15566), (3620, 7783)]