122016204040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{819781}}^1$

素因数の和:819914

約数の個数: 48

約数和(自身を含む): 279111177540

約数和(自身を除く): 157094973500

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3721, 7442, 14884, 18605, 29768, 37210, 74420, 148840, 819781, 1639562, 3279124, 4098905, 6558248, 8197810, 16395620, 32791240, 50006641, 100013282, 200026564, 250033205, 400053128, 500066410, 1000132820, 2000265640, 3050405101, 6100810202, 12201620404, 15252025505, 24403240808, 30504051010, 61008102020, 122016204040]

約数ペア:

[(1, 122016204040), (2, 61008102020), (4, 30504051010), (5, 24403240808), (8, 15252025505), (10, 12201620404), (20, 6100810202), (40, 3050405101), (61, 2000265640), (122, 1000132820), (244, 500066410), (305, 400053128), (488, 250033205), (610, 200026564), (1220, 100013282), (2440, 50006641), (3721, 32791240), (7442, 16395620), (14884, 8197810), (18605, 6558248), (29768, 4098905), (37210, 3279124), (74420, 1639562), (148840, 819781)]