8361400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 19686240

約数和(自身を除く): 11324840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 431, 485, 776, 862, 970, 1724, 1940, 2155, 2425, 3448, 3880, 4310, 4850, 8620, 9700, 10775, 17240, 19400, 21550, 41807, 43100, 83614, 86200, 167228, 209035, 334456, 418070, 836140, 1045175, 1672280, 2090350, 4180700, 8361400]

約数ペア:

[(1, 8361400), (2, 4180700), (4, 2090350), (5, 1672280), (8, 1045175), (10, 836140), (20, 418070), (25, 334456), (40, 209035), (50, 167228), (97, 86200), (100, 83614), (194, 43100), (200, 41807), (388, 21550), (431, 19400), (485, 17240), (776, 10775), (862, 9700), (970, 8620), (1724, 4850), (1940, 4310), (2155, 3880), (2425, 3448)]