28275760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1223}}^1$

素因数の和:1270

約数の個数: 60

約数和(自身を含む): 69892848

約数和(自身を除く): 41617088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1223, 1360, 1445, 2312, 2446, 2890, 4624, 4892, 5780, 6115, 9784, 11560, 12230, 19568, 20791, 23120, 24460, 41582, 48920, 83164, 97840, 103955, 166328, 207910, 332656, 353447, 415820, 706894, 831640, 1413788, 1663280, 1767235, 2827576, 3534470, 5655152, 7068940, 14137880, 28275760]

約数ペア:

[(1, 28275760), (2, 14137880), (4, 7068940), (5, 5655152), (8, 3534470), (10, 2827576), (16, 1767235), (17, 1663280), (20, 1413788), (34, 831640), (40, 706894), (68, 415820), (80, 353447), (85, 332656), (136, 207910), (170, 166328), (272, 103955), (289, 97840), (340, 83164), (578, 48920), (680, 41582), (1156, 24460), (1223, 23120), (1360, 20791), (1445, 19568), (2312, 12230), (2446, 11560), (2890, 9784), (4624, 6115), (4892, 5780)]