68719040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16519}}^1$

素因数の和:16549

約数の個数: 56

約数和(自身を含む): 176235360

約数和(自身を除く): 107516320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 16519, 33038, 66076, 82595, 132152, 165190, 214747, 264304, 330380, 429494, 528608, 660760, 858988, 1057216, 1073735, 1321520, 1717976, 2147470, 2643040, 3435952, 4294940, 5286080, 6871904, 8589880, 13743808, 17179760, 34359520, 68719040]

約数ペア:

[(1, 68719040), (2, 34359520), (4, 17179760), (5, 13743808), (8, 8589880), (10, 6871904), (13, 5286080), (16, 4294940), (20, 3435952), (26, 2643040), (32, 2147470), (40, 1717976), (52, 1321520), (64, 1073735), (65, 1057216), (80, 858988), (104, 660760), (130, 528608), (160, 429494), (208, 330380), (260, 264304), (320, 214747), (416, 165190), (520, 132152), (832, 82595), (1040, 66076), (2080, 33038), (4160, 16519)]