26499980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 60328800

約数和(自身を除く): 33828820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 449, 454, 898, 908, 1135, 1796, 2245, 2270, 2951, 4490, 4540, 5837, 5902, 8980, 11674, 11804, 14755, 23348, 29185, 29510, 58370, 59020, 101923, 116740, 203846, 407692, 509615, 1019230, 1324999, 2038460, 2649998, 5299996, 6624995, 13249990, 26499980]

約数ペア:

[(1, 26499980), (2, 13249990), (4, 6624995), (5, 5299996), (10, 2649998), (13, 2038460), (20, 1324999), (26, 1019230), (52, 509615), (65, 407692), (130, 203846), (227, 116740), (260, 101923), (449, 59020), (454, 58370), (898, 29510), (908, 29185), (1135, 23348), (1796, 14755), (2245, 11804), (2270, 11674), (2951, 8980), (4490, 5902), (4540, 5837)]