81116426920

素因数分解:

$2^3\times 5^1\times {\mathrm{11173}}^1\times {\mathrm{181501}}^1$

素因数の和:192685

約数の個数: 32

約数和(自身を含む): 182529301320

約数和(自身を除く): 101412874400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11173, 22346, 44692, 55865, 89384, 111730, 181501, 223460, 363002, 446920, 726004, 907505, 1452008, 1815010, 3630020, 7260040, 2027910673, 4055821346, 8111642692, 10139553365, 16223285384, 20279106730, 40558213460, 81116426920]

約数ペア:

[(1, 81116426920), (2, 40558213460), (4, 20279106730), (5, 16223285384), (8, 10139553365), (10, 8111642692), (20, 4055821346), (40, 2027910673), (11173, 7260040), (22346, 3630020), (44692, 1815010), (55865, 1452008), (89384, 907505), (111730, 726004), (181501, 446920), (223460, 363002)]