129822080

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2857}}^1$

素因数の和:2947

約数の個数: 64

約数和(自身を含む): 314837280

約数和(自身を除く): 185015200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 2857, 4544, 5680, 5714, 9088, 11360, 11428, 14285, 22720, 22856, 28570, 45440, 45712, 57140, 91424, 114280, 182848, 202847, 228560, 365696, 405694, 457120, 811388, 914240, 1014235, 1622776, 1828480, 2028470, 3245552, 4056940, 6491104, 8113880, 12982208, 16227760, 25964416, 32455520, 64911040, 129822080]

約数ペア:

[(1, 129822080), (2, 64911040), (4, 32455520), (5, 25964416), (8, 16227760), (10, 12982208), (16, 8113880), (20, 6491104), (32, 4056940), (40, 3245552), (64, 2028470), (71, 1828480), (80, 1622776), (128, 1014235), (142, 914240), (160, 811388), (284, 457120), (320, 405694), (355, 365696), (568, 228560), (640, 202847), (710, 182848), (1136, 114280), (1420, 91424), (2272, 57140), (2840, 45712), (2857, 45440), (4544, 28570), (5680, 22856), (5714, 22720), (9088, 14285), (11360, 11428)]