25088560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 67709952

約数和(自身を除く): 42621392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 631, 710, 994, 1136, 1262, 1420, 1988, 2485, 2524, 2840, 3155, 3976, 4417, 4970, 5048, 5680, 6310, 7952, 8834, 9940, 10096, 12620, 17668, 19880, 22085, 25240, 35336, 39760, 44170, 44801, 50480, 70672, 88340, 89602, 176680, 179204, 224005, 313607, 353360, 358408, 448010, 627214, 716816, 896020, 1254428, 1568035, 1792040, 2508856, 3136070, 3584080, 5017712, 6272140, 12544280, 25088560]

約数ペア:

[(1, 25088560), (2, 12544280), (4, 6272140), (5, 5017712), (7, 3584080), (8, 3136070), (10, 2508856), (14, 1792040), (16, 1568035), (20, 1254428), (28, 896020), (35, 716816), (40, 627214), (56, 448010), (70, 358408), (71, 353360), (80, 313607), (112, 224005), (140, 179204), (142, 176680), (280, 89602), (284, 88340), (355, 70672), (497, 50480), (560, 44801), (568, 44170), (631, 39760), (710, 35336), (994, 25240), (1136, 22085), (1262, 19880), (1420, 17668), (1988, 12620), (2485, 10096), (2524, 9940), (2840, 8834), (3155, 7952), (3976, 6310), (4417, 5680), (4970, 5048)]