42840760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34549}}^1$

素因数の和:34591

約数の個数: 32

約数和(自身を含む): 99504000

約数和(自身を除く): 56663240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 34549, 69098, 138196, 172745, 276392, 345490, 690980, 1071019, 1381960, 2142038, 4284076, 5355095, 8568152, 10710190, 21420380, 42840760]

約数ペア:

[(1, 42840760), (2, 21420380), (4, 10710190), (5, 8568152), (8, 5355095), (10, 4284076), (20, 2142038), (31, 1381960), (40, 1071019), (62, 690980), (124, 345490), (155, 276392), (248, 172745), (310, 138196), (620, 69098), (1240, 34549)]