87343280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64223}}^1$

素因数の和:64253

約数の個数: 40

約数和(自身を含む): 215021952

約数和(自身を除く): 127678672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 64223, 128446, 256892, 321115, 513784, 642230, 1027568, 1091791, 1284460, 2183582, 2568920, 4367164, 5137840, 5458955, 8734328, 10917910, 17468656, 21835820, 43671640, 87343280]

約数ペア:

[(1, 87343280), (2, 43671640), (4, 21835820), (5, 17468656), (8, 10917910), (10, 8734328), (16, 5458955), (17, 5137840), (20, 4367164), (34, 2568920), (40, 2183582), (68, 1284460), (80, 1091791), (85, 1027568), (136, 642230), (170, 513784), (272, 321115), (340, 256892), (680, 128446), (1360, 64223)]