161023840

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4513}}^1$

素因数の和:4751

約数の個数: 48

約数和(自身を含む): 382209408

約数和(自身を除く): 221185568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 4513, 7136, 8920, 9026, 17840, 18052, 22565, 35680, 36104, 45130, 72208, 90260, 144416, 180520, 361040, 722080, 1006399, 2012798, 4025596, 5031995, 8051192, 10063990, 16102384, 20127980, 32204768, 40255960, 80511920, 161023840]

約数ペア:

[(1, 161023840), (2, 80511920), (4, 40255960), (5, 32204768), (8, 20127980), (10, 16102384), (16, 10063990), (20, 8051192), (32, 5031995), (40, 4025596), (80, 2012798), (160, 1006399), (223, 722080), (446, 361040), (892, 180520), (1115, 144416), (1784, 90260), (2230, 72208), (3568, 45130), (4460, 36104), (4513, 35680), (7136, 22565), (8920, 18052), (9026, 17840)]