51466640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 126741888

約数和(自身を除く): 75275248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 83, 92, 115, 166, 184, 230, 332, 337, 368, 415, 460, 664, 674, 830, 920, 1328, 1348, 1660, 1685, 1840, 1909, 2696, 3320, 3370, 3818, 5392, 6640, 6740, 7636, 7751, 9545, 13480, 15272, 15502, 19090, 26960, 27971, 30544, 31004, 38180, 38755, 55942, 62008, 76360, 77510, 111884, 124016, 139855, 152720, 155020, 223768, 279710, 310040, 447536, 559420, 620080, 643333, 1118840, 1286666, 2237680, 2573332, 3216665, 5146664, 6433330, 10293328, 12866660, 25733320, 51466640]

約数ペア:

[(1, 51466640), (2, 25733320), (4, 12866660), (5, 10293328), (8, 6433330), (10, 5146664), (16, 3216665), (20, 2573332), (23, 2237680), (40, 1286666), (46, 1118840), (80, 643333), (83, 620080), (92, 559420), (115, 447536), (166, 310040), (184, 279710), (230, 223768), (332, 155020), (337, 152720), (368, 139855), (415, 124016), (460, 111884), (664, 77510), (674, 76360), (830, 62008), (920, 55942), (1328, 38755), (1348, 38180), (1660, 31004), (1685, 30544), (1840, 27971), (1909, 26960), (2696, 19090), (3320, 15502), (3370, 15272), (3818, 13480), (5392, 9545), (6640, 7751), (6740, 7636)]