28695920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32609}}^1$

素因数の和:32633

約数の個数: 40

約数和(自身を含む): 72785520

約数和(自身を除く): 44089600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32609, 65218, 130436, 163045, 260872, 326090, 358699, 521744, 652180, 717398, 1304360, 1434796, 1793495, 2608720, 2869592, 3586990, 5739184, 7173980, 14347960, 28695920]

約数ペア:

[(1, 28695920), (2, 14347960), (4, 7173980), (5, 5739184), (8, 3586990), (10, 2869592), (11, 2608720), (16, 1793495), (20, 1434796), (22, 1304360), (40, 717398), (44, 652180), (55, 521744), (80, 358699), (88, 326090), (110, 260872), (176, 163045), (220, 130436), (440, 65218), (880, 32609)]