55450480

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6359}}^1$

素因数の和:6481

約数の個数: 40

約数和(自身を含む): 130125600

約数和(自身を除く): 74675120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 6359, 8720, 12718, 25436, 31795, 50872, 63590, 101744, 127180, 254360, 508720, 693131, 1386262, 2772524, 3465655, 5545048, 6931310, 11090096, 13862620, 27725240, 55450480]

約数ペア:

[(1, 55450480), (2, 27725240), (4, 13862620), (5, 11090096), (8, 6931310), (10, 5545048), (16, 3465655), (20, 2772524), (40, 1386262), (80, 693131), (109, 508720), (218, 254360), (436, 127180), (545, 101744), (872, 63590), (1090, 50872), (1744, 31795), (2180, 25436), (4360, 12718), (6359, 8720)]