1561013215250

素因数分解:

$2^1\times 5^3\times {\mathrm{20879}}^1\times {\mathrm{299059}}^1$

素因数の和:319955

約数の個数: 32

約数和(自身を含む): 2922366470400

約数和(自身を除く): 1361353255150

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 20879, 41758, 104395, 208790, 299059, 521975, 598118, 1043950, 1495295, 2609875, 2990590, 5219750, 7476475, 14952950, 37382375, 74764750, 6244052861, 12488105722, 31220264305, 62440528610, 156101321525, 312202643050, 780506607625, 1561013215250]

約数ペア:

[(1, 1561013215250), (2, 780506607625), (5, 312202643050), (10, 156101321525), (25, 62440528610), (50, 31220264305), (125, 12488105722), (250, 6244052861), (20879, 74764750), (41758, 37382375), (104395, 14952950), (208790, 7476475), (299059, 5219750), (521975, 2990590), (598118, 2609875), (1043950, 1495295)]