253124680

素因数分解:

$2^3\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{3677}}^1$

素因数の和:5409

約数の個数: 32

約数和(自身を含む): 570016440

約数和(自身を除く): 316891760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1721, 3442, 3677, 6884, 7354, 8605, 13768, 14708, 17210, 18385, 29416, 34420, 36770, 68840, 73540, 147080, 6328117, 12656234, 25312468, 31640585, 50624936, 63281170, 126562340, 253124680]

約数ペア:

[(1, 253124680), (2, 126562340), (4, 63281170), (5, 50624936), (8, 31640585), (10, 25312468), (20, 12656234), (40, 6328117), (1721, 147080), (3442, 73540), (3677, 68840), (6884, 36770), (7354, 34420), (8605, 29416), (13768, 18385), (14708, 17210)]