25438940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 55194048

約数和(自身を除く): 29755108

約数列:

[1, 2, 4, 5, 10, 20, 53, 103, 106, 206, 212, 233, 265, 412, 466, 515, 530, 932, 1030, 1060, 1165, 2060, 2330, 4660, 5459, 10918, 12349, 21836, 23999, 24698, 27295, 47998, 49396, 54590, 61745, 95996, 109180, 119995, 123490, 239990, 246980, 479980, 1271947, 2543894, 5087788, 6359735, 12719470, 25438940]

約数ペア:

[(1, 25438940), (2, 12719470), (4, 6359735), (5, 5087788), (10, 2543894), (20, 1271947), (53, 479980), (103, 246980), (106, 239990), (206, 123490), (212, 119995), (233, 109180), (265, 95996), (412, 61745), (466, 54590), (515, 49396), (530, 47998), (932, 27295), (1030, 24698), (1060, 23999), (1165, 21836), (2060, 12349), (2330, 10918), (4660, 5459)]