40220215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2939}}^1$

素因数の和:2991

約数の個数: 32

約数和(自身を含む): 60963840

約数和(自身を除く): 20743625

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 2939, 13685, 14695, 20573, 49963, 67597, 102865, 249815, 337985, 349741, 473179, 1149149, 1748705, 2365895, 5745745, 8044043, 40220215]

約数ペア:

[(1, 40220215), (5, 8044043), (7, 5745745), (17, 2365895), (23, 1748705), (35, 1149149), (85, 473179), (115, 349741), (119, 337985), (161, 249815), (391, 102865), (595, 67597), (805, 49963), (1955, 20573), (2737, 14695), (2939, 13685)]