51391360

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1361}}^1$

素因数の和:1439

約数の個数: 64

約数和(自身を含む): 125031600

約数和(自身を除く): 73640240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 590, 640, 944, 1180, 1361, 1888, 2360, 2722, 3776, 4720, 5444, 6805, 7552, 9440, 10888, 13610, 18880, 21776, 27220, 37760, 43552, 54440, 80299, 87104, 108880, 160598, 174208, 217760, 321196, 401495, 435520, 642392, 802990, 871040, 1284784, 1605980, 2569568, 3211960, 5139136, 6423920, 10278272, 12847840, 25695680, 51391360]

約数ペア:

[(1, 51391360), (2, 25695680), (4, 12847840), (5, 10278272), (8, 6423920), (10, 5139136), (16, 3211960), (20, 2569568), (32, 1605980), (40, 1284784), (59, 871040), (64, 802990), (80, 642392), (118, 435520), (128, 401495), (160, 321196), (236, 217760), (295, 174208), (320, 160598), (472, 108880), (590, 87104), (640, 80299), (944, 54440), (1180, 43552), (1361, 37760), (1888, 27220), (2360, 21776), (2722, 18880), (3776, 13610), (4720, 10888), (5444, 9440), (6805, 7552)]