12941840

素因数分解:

$2^4\times 5^1\times {\mathrm{161773}}^1$

素因数の和:161786

約数の個数: 20

約数和(自身を含む): 30089964

約数和(自身を除く): 17148124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161773, 323546, 647092, 808865, 1294184, 1617730, 2588368, 3235460, 6470920, 12941840]

約数ペア:

[(1, 12941840), (2, 6470920), (4, 3235460), (5, 2588368), (8, 1617730), (10, 1294184), (16, 808865), (20, 647092), (40, 323546), (80, 161773)]