71157920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26161}}^1$

素因数の和:26193

約数の個数: 48

約数和(自身を含む): 178006248

約数和(自身を除く): 106848328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 26161, 52322, 104644, 130805, 209288, 261610, 418576, 444737, 523220, 837152, 889474, 1046440, 1778948, 2092880, 2223685, 3557896, 4185760, 4447370, 7115792, 8894740, 14231584, 17789480, 35578960, 71157920]

約数ペア:

[(1, 71157920), (2, 35578960), (4, 17789480), (5, 14231584), (8, 8894740), (10, 7115792), (16, 4447370), (17, 4185760), (20, 3557896), (32, 2223685), (34, 2092880), (40, 1778948), (68, 1046440), (80, 889474), (85, 837152), (136, 523220), (160, 444737), (170, 418576), (272, 261610), (340, 209288), (544, 130805), (680, 104644), (1360, 52322), (2720, 26161)]