179493680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{31601}}^1$

素因数の和:31685

約数の個数: 40

約数和(自身を含む): 423213984

約数和(自身を除く): 243720304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 31601, 63202, 126404, 158005, 252808, 316010, 505616, 632020, 1264040, 2243671, 2528080, 4487342, 8974684, 11218355, 17949368, 22436710, 35898736, 44873420, 89746840, 179493680]

約数ペア:

[(1, 179493680), (2, 89746840), (4, 44873420), (5, 35898736), (8, 22436710), (10, 17949368), (16, 11218355), (20, 8974684), (40, 4487342), (71, 2528080), (80, 2243671), (142, 1264040), (284, 632020), (355, 505616), (568, 316010), (710, 252808), (1136, 158005), (1420, 126404), (2840, 63202), (5680, 31601)]