171331120

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4969}}^1$

素因数の和:5413

約数の個数: 40

約数和(自身を含む): 399349440

約数和(自身を除く): 228018320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2155, 3448, 4310, 4969, 6896, 8620, 9938, 17240, 19876, 24845, 34480, 39752, 49690, 79504, 99380, 198760, 397520, 2141639, 4283278, 8566556, 10708195, 17133112, 21416390, 34266224, 42832780, 85665560, 171331120]

約数ペア:

[(1, 171331120), (2, 85665560), (4, 42832780), (5, 34266224), (8, 21416390), (10, 17133112), (16, 10708195), (20, 8566556), (40, 4283278), (80, 2141639), (431, 397520), (862, 198760), (1724, 99380), (2155, 79504), (3448, 49690), (4310, 39752), (4969, 34480), (6896, 24845), (8620, 19876), (9938, 17240)]