55518160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16139}}^1$

素因数の和:16195

約数の個数: 40

約数和(自身を含む): 132089760

約数和(自身を除く): 76571600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16139, 32278, 64556, 80695, 129112, 161390, 258224, 322780, 645560, 693977, 1291120, 1387954, 2775908, 3469885, 5551816, 6939770, 11103632, 13879540, 27759080, 55518160]

約数ペア:

[(1, 55518160), (2, 27759080), (4, 13879540), (5, 11103632), (8, 6939770), (10, 5551816), (16, 3469885), (20, 2775908), (40, 1387954), (43, 1291120), (80, 693977), (86, 645560), (172, 322780), (215, 258224), (344, 161390), (430, 129112), (688, 80695), (860, 64556), (1720, 32278), (3440, 16139)]