70720360

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4409}}^1$

素因数の和:4821

約数の個数: 32

約数和(自身を含む): 159553800

約数和(自身を除く): 88833440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 4409, 8020, 8818, 16040, 17636, 22045, 35272, 44090, 88180, 176360, 1768009, 3536018, 7072036, 8840045, 14144072, 17680090, 35360180, 70720360]

約数ペア:

[(1, 70720360), (2, 35360180), (4, 17680090), (5, 14144072), (8, 8840045), (10, 7072036), (20, 3536018), (40, 1768009), (401, 176360), (802, 88180), (1604, 44090), (2005, 35272), (3208, 22045), (4010, 17636), (4409, 16040), (8020, 8818)]