18157037240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{33301}}^1$

素因数の和:33672

約数の個数: 64

約数和(自身を含む): 41936542560

約数和(自身を除く): 23779505320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 317, 344, 430, 634, 860, 1268, 1585, 1720, 2536, 3170, 6340, 12680, 13631, 27262, 33301, 54524, 66602, 68155, 109048, 133204, 136310, 166505, 266408, 272620, 333010, 545240, 666020, 1332040, 1431943, 2863886, 5727772, 7159715, 10556417, 11455544, 14319430, 21112834, 28638860, 42225668, 52782085, 57277720, 84451336, 105564170, 211128340, 422256680, 453925931, 907851862, 1815703724, 2269629655, 3631407448, 4539259310, 9078518620, 18157037240]

約数ペア:

[(1, 18157037240), (2, 9078518620), (4, 4539259310), (5, 3631407448), (8, 2269629655), (10, 1815703724), (20, 907851862), (40, 453925931), (43, 422256680), (86, 211128340), (172, 105564170), (215, 84451336), (317, 57277720), (344, 52782085), (430, 42225668), (634, 28638860), (860, 21112834), (1268, 14319430), (1585, 11455544), (1720, 10556417), (2536, 7159715), (3170, 5727772), (6340, 2863886), (12680, 1431943), (13631, 1332040), (27262, 666020), (33301, 545240), (54524, 333010), (66602, 272620), (68155, 266408), (109048, 166505), (133204, 136310)]