16661560

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6217}}^1$

素因数の和:6295

約数の個数: 32

約数和(自身を含む): 38054160

約数和(自身を除く): 21392600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 6217, 12434, 24868, 31085, 49736, 62170, 124340, 248680, 416539, 833078, 1666156, 2082695, 3332312, 4165390, 8330780, 16661560]

約数ペア:

[(1, 16661560), (2, 8330780), (4, 4165390), (5, 3332312), (8, 2082695), (10, 1666156), (20, 833078), (40, 416539), (67, 248680), (134, 124340), (268, 62170), (335, 49736), (536, 31085), (670, 24868), (1340, 12434), (2680, 6217)]