25361360

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5197}}^1$

素因数の和:5271

約数の個数: 40

約数和(自身を含む): 59943336

約数和(自身を除く): 34581976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5197, 10394, 20788, 25985, 41576, 51970, 83152, 103940, 207880, 317017, 415760, 634034, 1268068, 1585085, 2536136, 3170170, 5072272, 6340340, 12680680, 25361360]

約数ペア:

[(1, 25361360), (2, 12680680), (4, 6340340), (5, 5072272), (8, 3170170), (10, 2536136), (16, 1585085), (20, 1268068), (40, 634034), (61, 415760), (80, 317017), (122, 207880), (244, 103940), (305, 83152), (488, 51970), (610, 41576), (976, 25985), (1220, 20788), (2440, 10394), (4880, 5197)]