80419520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14783}}^1$

素因数の和:14817

約数の個数: 56

約数和(自身を含む): 202777344

約数和(自身を除く): 122357824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 14783, 29566, 59132, 73915, 118264, 147830, 236528, 251311, 295660, 473056, 502622, 591320, 946112, 1005244, 1182640, 1256555, 2010488, 2365280, 2513110, 4020976, 4730560, 5026220, 8041952, 10052440, 16083904, 20104880, 40209760, 80419520]

約数ペア:

[(1, 80419520), (2, 40209760), (4, 20104880), (5, 16083904), (8, 10052440), (10, 8041952), (16, 5026220), (17, 4730560), (20, 4020976), (32, 2513110), (34, 2365280), (40, 2010488), (64, 1256555), (68, 1182640), (80, 1005244), (85, 946112), (136, 591320), (160, 502622), (170, 473056), (272, 295660), (320, 251311), (340, 236528), (544, 147830), (680, 118264), (1088, 73915), (1360, 59132), (2720, 29566), (5440, 14783)]