1856303400920

素因数分解:

$2^3\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{16639507}}^1$

素因数の和:16642307

約数の個数: 32

約数和(自身を含む): 4178180458800

約数和(自身を除く): 2321877057880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2789, 5578, 11156, 13945, 22312, 27890, 55780, 111560, 16639507, 33279014, 66558028, 83197535, 133116056, 166395070, 332790140, 665580280, 46407585023, 92815170046, 185630340092, 232037925115, 371260680184, 464075850230, 928151700460, 1856303400920]

約数ペア:

[(1, 1856303400920), (2, 928151700460), (4, 464075850230), (5, 371260680184), (8, 232037925115), (10, 185630340092), (20, 92815170046), (40, 46407585023), (2789, 665580280), (5578, 332790140), (11156, 166395070), (13945, 133116056), (22312, 83197535), (27890, 66558028), (55780, 33279014), (111560, 16639507)]