25203980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 54725664

約数和(自身を除く): 29521684

約数列:

[1, 2, 4, 5, 10, 20, 61, 73, 122, 146, 244, 283, 292, 305, 365, 566, 610, 730, 1132, 1220, 1415, 1460, 2830, 4453, 5660, 8906, 17263, 17812, 20659, 22265, 34526, 41318, 44530, 69052, 82636, 86315, 89060, 103295, 172630, 206590, 345260, 413180, 1260199, 2520398, 5040796, 6300995, 12601990, 25203980]

約数ペア:

[(1, 25203980), (2, 12601990), (4, 6300995), (5, 5040796), (10, 2520398), (20, 1260199), (61, 413180), (73, 345260), (122, 206590), (146, 172630), (244, 103295), (283, 89060), (292, 86315), (305, 82636), (365, 69052), (566, 44530), (610, 41318), (730, 34526), (1132, 22265), (1220, 20659), (1415, 17812), (1460, 17263), (2830, 8906), (4453, 5660)]