201565520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193813}}^1$

素因数の和:193839

約数の個数: 40

約数和(自身を含む): 504691656

約数和(自身を除く): 303126136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 193813, 387626, 775252, 969065, 1550504, 1938130, 2519569, 3101008, 3876260, 5039138, 7752520, 10078276, 12597845, 15505040, 20156552, 25195690, 40313104, 50391380, 100782760, 201565520]

約数ペア:

[(1, 201565520), (2, 100782760), (4, 50391380), (5, 40313104), (8, 25195690), (10, 20156552), (13, 15505040), (16, 12597845), (20, 10078276), (26, 7752520), (40, 5039138), (52, 3876260), (65, 3101008), (80, 2519569), (104, 1938130), (130, 1550504), (208, 969065), (260, 775252), (520, 387626), (1040, 193813)]