64253120

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1009}}^1$

素因数の和:1225

約数の個数: 56

約数和(自身を含む): 153924000

約数和(自身を除く): 89670880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1009, 1592, 1990, 2018, 3184, 3980, 4036, 5045, 6368, 7960, 8072, 10090, 12736, 15920, 16144, 20180, 31840, 32288, 40360, 63680, 64576, 80720, 161440, 200791, 322880, 401582, 803164, 1003955, 1606328, 2007910, 3212656, 4015820, 6425312, 8031640, 12850624, 16063280, 32126560, 64253120]

約数ペア:

[(1, 64253120), (2, 32126560), (4, 16063280), (5, 12850624), (8, 8031640), (10, 6425312), (16, 4015820), (20, 3212656), (32, 2007910), (40, 1606328), (64, 1003955), (80, 803164), (160, 401582), (199, 322880), (320, 200791), (398, 161440), (796, 80720), (995, 64576), (1009, 63680), (1592, 40360), (1990, 32288), (2018, 31840), (3184, 20180), (3980, 16144), (4036, 15920), (5045, 12736), (6368, 10090), (7960, 8072)]