11947520

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:395

約数の個数: 80

約数和(自身を含む): 30935520

約数和(自身を除く): 18988000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 359, 416, 512, 520, 640, 718, 832, 1040, 1280, 1436, 1664, 1795, 2080, 2560, 2872, 3328, 3590, 4160, 4667, 5744, 6656, 7180, 8320, 9334, 11488, 14360, 16640, 18668, 22976, 23335, 28720, 33280, 37336, 45952, 46670, 57440, 74672, 91904, 93340, 114880, 149344, 183808, 186680, 229760, 298688, 373360, 459520, 597376, 746720, 919040, 1194752, 1493440, 2389504, 2986880, 5973760, 11947520]

約数ペア:

[(1, 11947520), (2, 5973760), (4, 2986880), (5, 2389504), (8, 1493440), (10, 1194752), (13, 919040), (16, 746720), (20, 597376), (26, 459520), (32, 373360), (40, 298688), (52, 229760), (64, 186680), (65, 183808), (80, 149344), (104, 114880), (128, 93340), (130, 91904), (160, 74672), (208, 57440), (256, 46670), (260, 45952), (320, 37336), (359, 33280), (416, 28720), (512, 23335), (520, 22976), (640, 18668), (718, 16640), (832, 14360), (1040, 11488), (1280, 9334), (1436, 8320), (1664, 7180), (1795, 6656), (2080, 5744), (2560, 4667), (2872, 4160), (3328, 3590)]