25946240

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 63011520

約数和(自身を除く): 37065280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 571, 640, 710, 1136, 1142, 1420, 2272, 2284, 2840, 2855, 4544, 4568, 5680, 5710, 9088, 9136, 11360, 11420, 18272, 22720, 22840, 36544, 40541, 45440, 45680, 73088, 81082, 91360, 162164, 182720, 202705, 324328, 365440, 405410, 648656, 810820, 1297312, 1621640, 2594624, 3243280, 5189248, 6486560, 12973120, 25946240]

約数ペア:

[(1, 25946240), (2, 12973120), (4, 6486560), (5, 5189248), (8, 3243280), (10, 2594624), (16, 1621640), (20, 1297312), (32, 810820), (40, 648656), (64, 405410), (71, 365440), (80, 324328), (128, 202705), (142, 182720), (160, 162164), (284, 91360), (320, 81082), (355, 73088), (568, 45680), (571, 45440), (640, 40541), (710, 36544), (1136, 22840), (1142, 22720), (1420, 18272), (2272, 11420), (2284, 11360), (2840, 9136), (2855, 9088), (4544, 5710), (4568, 5680)]