13815040

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 33995808

約数和(自身を除く): 20180768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 251, 256, 320, 344, 430, 502, 640, 688, 860, 1004, 1255, 1280, 1376, 1720, 2008, 2510, 2752, 3440, 4016, 5020, 5504, 6880, 8032, 10040, 10793, 11008, 13760, 16064, 20080, 21586, 27520, 32128, 40160, 43172, 53965, 55040, 64256, 80320, 86344, 107930, 160640, 172688, 215860, 321280, 345376, 431720, 690752, 863440, 1381504, 1726880, 2763008, 3453760, 6907520, 13815040]

約数ペア:

[(1, 13815040), (2, 6907520), (4, 3453760), (5, 2763008), (8, 1726880), (10, 1381504), (16, 863440), (20, 690752), (32, 431720), (40, 345376), (43, 321280), (64, 215860), (80, 172688), (86, 160640), (128, 107930), (160, 86344), (172, 80320), (215, 64256), (251, 55040), (256, 53965), (320, 43172), (344, 40160), (430, 32128), (502, 27520), (640, 21586), (688, 20080), (860, 16064), (1004, 13760), (1255, 11008), (1280, 10793), (1376, 10040), (1720, 8032), (2008, 6880), (2510, 5504), (2752, 5020), (3440, 4016)]