143521720

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{4177}}^1$

素因数の和:5047

約数の個数: 32

約数和(自身を含む): 323377200

約数和(自身を除く): 179855480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 3436, 4177, 4295, 6872, 8354, 8590, 16708, 17180, 20885, 33416, 34360, 41770, 83540, 167080, 3588043, 7176086, 14352172, 17940215, 28704344, 35880430, 71760860, 143521720]

約数ペア:

[(1, 143521720), (2, 71760860), (4, 35880430), (5, 28704344), (8, 17940215), (10, 14352172), (20, 7176086), (40, 3588043), (859, 167080), (1718, 83540), (3436, 41770), (4177, 34360), (4295, 33416), (6872, 20885), (8354, 17180), (8590, 16708)]