78297080

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{5641}}^1$

素因数の和:5999

約数の個数: 32

約数和(自身を含む): 176707440

約数和(自身を除く): 98410360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 5641, 6940, 11282, 13880, 22564, 28205, 45128, 56410, 112820, 225640, 1957427, 3914854, 7829708, 9787135, 15659416, 19574270, 39148540, 78297080]

約数ペア:

[(1, 78297080), (2, 39148540), (4, 19574270), (5, 15659416), (8, 9787135), (10, 7829708), (20, 3914854), (40, 1957427), (347, 225640), (694, 112820), (1388, 56410), (1735, 45128), (2776, 28205), (3470, 22564), (5641, 13880), (6940, 11282)]