42251120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 106386048

約数和(自身を除く): 64134928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 661, 680, 752, 799, 940, 1322, 1360, 1598, 1880, 2644, 3196, 3305, 3760, 3995, 5288, 6392, 6610, 7990, 10576, 11237, 12784, 13220, 15980, 22474, 26440, 31067, 31960, 44948, 52880, 56185, 62134, 63920, 89896, 112370, 124268, 155335, 179792, 224740, 248536, 310670, 449480, 497072, 528139, 621340, 898960, 1056278, 1242680, 2112556, 2485360, 2640695, 4225112, 5281390, 8450224, 10562780, 21125560, 42251120]

約数ペア:

[(1, 42251120), (2, 21125560), (4, 10562780), (5, 8450224), (8, 5281390), (10, 4225112), (16, 2640695), (17, 2485360), (20, 2112556), (34, 1242680), (40, 1056278), (47, 898960), (68, 621340), (80, 528139), (85, 497072), (94, 449480), (136, 310670), (170, 248536), (188, 224740), (235, 179792), (272, 155335), (340, 124268), (376, 112370), (470, 89896), (661, 63920), (680, 62134), (752, 56185), (799, 52880), (940, 44948), (1322, 31960), (1360, 31067), (1598, 26440), (1880, 22474), (2644, 15980), (3196, 13220), (3305, 12784), (3760, 11237), (3995, 10576), (5288, 7990), (6392, 6610)]