89249080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2731}}^1$

素因数の和:2804

約数の個数: 64

約数和(自身を含む): 216374400

約数和(自身を除く): 127125320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 2731, 3268, 4085, 5462, 6536, 8170, 10924, 13655, 16340, 21848, 27310, 32680, 51889, 54620, 103778, 109240, 117433, 207556, 234866, 259445, 415112, 469732, 518890, 587165, 939464, 1037780, 1174330, 2075560, 2231227, 2348660, 4462454, 4697320, 8924908, 11156135, 17849816, 22312270, 44624540, 89249080]

約数ペア:

[(1, 89249080), (2, 44624540), (4, 22312270), (5, 17849816), (8, 11156135), (10, 8924908), (19, 4697320), (20, 4462454), (38, 2348660), (40, 2231227), (43, 2075560), (76, 1174330), (86, 1037780), (95, 939464), (152, 587165), (172, 518890), (190, 469732), (215, 415112), (344, 259445), (380, 234866), (430, 207556), (760, 117433), (817, 109240), (860, 103778), (1634, 54620), (1720, 51889), (2731, 32680), (3268, 27310), (4085, 21848), (5462, 16340), (6536, 13655), (8170, 10924)]