51709520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 126956160

約数和(自身を除く): 75246640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 157, 179, 184, 230, 314, 358, 368, 460, 628, 716, 785, 895, 920, 1256, 1432, 1570, 1790, 1840, 2512, 2864, 3140, 3580, 3611, 4117, 6280, 7160, 7222, 8234, 12560, 14320, 14444, 16468, 18055, 20585, 28103, 28888, 32936, 36110, 41170, 56206, 57776, 65872, 72220, 82340, 112412, 140515, 144440, 164680, 224824, 281030, 288880, 329360, 449648, 562060, 646369, 1124120, 1292738, 2248240, 2585476, 3231845, 5170952, 6463690, 10341904, 12927380, 25854760, 51709520]

約数ペア:

[(1, 51709520), (2, 25854760), (4, 12927380), (5, 10341904), (8, 6463690), (10, 5170952), (16, 3231845), (20, 2585476), (23, 2248240), (40, 1292738), (46, 1124120), (80, 646369), (92, 562060), (115, 449648), (157, 329360), (179, 288880), (184, 281030), (230, 224824), (314, 164680), (358, 144440), (368, 140515), (460, 112412), (628, 82340), (716, 72220), (785, 65872), (895, 57776), (920, 56206), (1256, 41170), (1432, 36110), (1570, 32936), (1790, 28888), (1840, 28103), (2512, 20585), (2864, 18055), (3140, 16468), (3580, 14444), (3611, 14320), (4117, 12560), (6280, 8234), (7160, 7222)]