80250160

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9203}}^1$

素因数の和:9325

約数の個数: 40

約数和(自身を含む): 188313840

約数和(自身を除く): 108063680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 9203, 18406, 36812, 46015, 73624, 92030, 147248, 184060, 368120, 736240, 1003127, 2006254, 4012508, 5015635, 8025016, 10031270, 16050032, 20062540, 40125080, 80250160]

約数ペア:

[(1, 80250160), (2, 40125080), (4, 20062540), (5, 16050032), (8, 10031270), (10, 8025016), (16, 5015635), (20, 4012508), (40, 2006254), (80, 1003127), (109, 736240), (218, 368120), (436, 184060), (545, 147248), (872, 92030), (1090, 73624), (1744, 46015), (2180, 36812), (4360, 18406), (8720, 9203)]