2011960

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 4568400

約数和(自身を除く): 2556440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 281, 358, 562, 716, 895, 1124, 1405, 1432, 1790, 2248, 2810, 3580, 5620, 7160, 11240, 50299, 100598, 201196, 251495, 402392, 502990, 1005980, 2011960]

約数ペア:

[(1, 2011960), (2, 1005980), (4, 502990), (5, 402392), (8, 251495), (10, 201196), (20, 100598), (40, 50299), (179, 11240), (281, 7160), (358, 5620), (562, 3580), (716, 2810), (895, 2248), (1124, 1790), (1405, 1432)]