40323985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 55560960

約数和(自身を除く): 15236975

約数列:

[1, 5, 13, 19, 65, 95, 103, 247, 317, 515, 1235, 1339, 1585, 1957, 4121, 6023, 6695, 9785, 20605, 25441, 30115, 32651, 78299, 127205, 163255, 391495, 424463, 620369, 2122315, 3101845, 8064797, 40323985]

約数ペア:

[(1, 40323985), (5, 8064797), (13, 3101845), (19, 2122315), (65, 620369), (95, 424463), (103, 391495), (247, 163255), (317, 127205), (515, 78299), (1235, 32651), (1339, 30115), (1585, 25441), (1957, 20605), (4121, 9785), (6023, 6695)]