201239320

素因数分解:

$2^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{3643}}^1$

素因数の和:5035

約数の個数: 32

約数和(自身を含む): 453240720

約数和(自身を除く): 252001400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381, 2762, 3643, 5524, 6905, 7286, 11048, 13810, 14572, 18215, 27620, 29144, 36430, 55240, 72860, 145720, 5030983, 10061966, 20123932, 25154915, 40247864, 50309830, 100619660, 201239320]

約数ペア:

[(1, 201239320), (2, 100619660), (4, 50309830), (5, 40247864), (8, 25154915), (10, 20123932), (20, 10061966), (40, 5030983), (1381, 145720), (2762, 72860), (3643, 55240), (5524, 36430), (6905, 29144), (7286, 27620), (11048, 18215), (13810, 14572)]