201554975920

素因数分解:

$2^4\times 5^1\times {\mathrm{638317}}^1\times {\mathrm{3947}}^1$

素因数の和:642277

約数の個数: 40

約数和(自身を含む): 468734780304

約数和(自身を除く): 267179804384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3947, 7894, 15788, 19735, 31576, 39470, 63152, 78940, 157880, 315760, 638317, 1276634, 2553268, 3191585, 5106536, 6383170, 10213072, 12766340, 25532680, 51065360, 2519437199, 5038874398, 10077748796, 12597185995, 20155497592, 25194371990, 40310995184, 50388743980, 100777487960, 201554975920]

約数ペア:

[(1, 201554975920), (2, 100777487960), (4, 50388743980), (5, 40310995184), (8, 25194371990), (10, 20155497592), (16, 12597185995), (20, 10077748796), (40, 5038874398), (80, 2519437199), (3947, 51065360), (7894, 25532680), (15788, 12766340), (19735, 10213072), (31576, 6383170), (39470, 5106536), (63152, 3191585), (78940, 2553268), (157880, 1276634), (315760, 638317)]