8140778320

素因数分解:

$2^4\times 5^1\times {\mathrm{2909}}^1\times {\mathrm{34981}}^1$

素因数の和:37903

約数の個数: 40

約数和(自身を含む): 18934357320

約数和(自身を除く): 10793579000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2909, 5818, 11636, 14545, 23272, 29090, 34981, 46544, 58180, 69962, 116360, 139924, 174905, 232720, 279848, 349810, 559696, 699620, 1399240, 2798480, 101759729, 203519458, 407038916, 508798645, 814077832, 1017597290, 1628155664, 2035194580, 4070389160, 8140778320]

約数ペア:

[(1, 8140778320), (2, 4070389160), (4, 2035194580), (5, 1628155664), (8, 1017597290), (10, 814077832), (16, 508798645), (20, 407038916), (40, 203519458), (80, 101759729), (2909, 2798480), (5818, 1399240), (11636, 699620), (14545, 559696), (23272, 349810), (29090, 279848), (34981, 232720), (46544, 174905), (58180, 139924), (69962, 116360)]