20210057360

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1\times {\mathrm{1531}}^1$

素因数の和:2752

約数の個数: 80

約数和(自身を含む): 47363581632

約数和(自身を除く): 27153524272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1051, 1256, 1531, 1570, 2102, 2512, 3062, 3140, 4204, 5255, 6124, 6280, 7655, 8408, 10510, 12248, 12560, 15310, 16816, 21020, 24496, 30620, 42040, 61240, 84080, 122480, 165007, 240367, 330014, 480734, 660028, 825035, 961468, 1201835, 1320056, 1609081, 1650070, 1922936, 2403670, 2640112, 3218162, 3300140, 3845872, 4807340, 6436324, 6600280, 8045405, 9614680, 12872648, 13200560, 16090810, 19229360, 25745296, 32181620, 64363240, 128726480, 252625717, 505251434, 1010502868, 1263128585, 2021005736, 2526257170, 4042011472, 5052514340, 10105028680, 20210057360]

約数ペア:

[(1, 20210057360), (2, 10105028680), (4, 5052514340), (5, 4042011472), (8, 2526257170), (10, 2021005736), (16, 1263128585), (20, 1010502868), (40, 505251434), (80, 252625717), (157, 128726480), (314, 64363240), (628, 32181620), (785, 25745296), (1051, 19229360), (1256, 16090810), (1531, 13200560), (1570, 12872648), (2102, 9614680), (2512, 8045405), (3062, 6600280), (3140, 6436324), (4204, 4807340), (5255, 3845872), (6124, 3300140), (6280, 3218162), (7655, 2640112), (8408, 2403670), (10510, 1922936), (12248, 1650070), (12560, 1609081), (15310, 1320056), (16816, 1201835), (21020, 961468), (24496, 825035), (30620, 660028), (42040, 480734), (61240, 330014), (84080, 240367), (122480, 165007)]