15661977440

素因数分解:

$2^5\times 5^1\times {\mathrm{97887359}}^1$

素因数の和:97887374

約数の個数: 24

約数和(自身を含む): 37001422080

約数和(自身を除く): 21339444640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 97887359, 195774718, 391549436, 489436795, 783098872, 978873590, 1566197744, 1957747180, 3132395488, 3915494360, 7830988720, 15661977440]

約数ペア:

[(1, 15661977440), (2, 7830988720), (4, 3915494360), (5, 3132395488), (8, 1957747180), (10, 1566197744), (16, 978873590), (20, 783098872), (32, 489436795), (40, 391549436), (80, 195774718), (160, 97887359)]