8279680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 20985480

約数和(自身を除く): 12705800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 761, 1088, 1360, 1522, 2176, 2720, 3044, 3805, 5440, 6088, 7610, 10880, 12176, 12937, 15220, 24352, 25874, 30440, 48704, 51748, 60880, 64685, 97408, 103496, 121760, 129370, 206992, 243520, 258740, 413984, 487040, 517480, 827968, 1034960, 1655936, 2069920, 4139840, 8279680]

約数ペア:

[(1, 8279680), (2, 4139840), (4, 2069920), (5, 1655936), (8, 1034960), (10, 827968), (16, 517480), (17, 487040), (20, 413984), (32, 258740), (34, 243520), (40, 206992), (64, 129370), (68, 121760), (80, 103496), (85, 97408), (128, 64685), (136, 60880), (160, 51748), (170, 48704), (272, 30440), (320, 25874), (340, 24352), (544, 15220), (640, 12937), (680, 12176), (761, 10880), (1088, 7610), (1360, 6088), (1522, 5440), (2176, 3805), (2720, 3044)]