25337000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1983

約数の個数: 64

約数和(自身を含む): 63882000

約数和(自身を除く): 38545000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 1949, 2600, 3250, 3898, 6500, 7796, 9745, 13000, 15592, 19490, 25337, 38980, 48725, 50674, 77960, 97450, 101348, 126685, 194900, 202696, 243625, 253370, 389800, 487250, 506740, 633425, 974500, 1013480, 1266850, 1949000, 2533700, 3167125, 5067400, 6334250, 12668500, 25337000]

約数ペア:

[(1, 25337000), (2, 12668500), (4, 6334250), (5, 5067400), (8, 3167125), (10, 2533700), (13, 1949000), (20, 1266850), (25, 1013480), (26, 974500), (40, 633425), (50, 506740), (52, 487250), (65, 389800), (100, 253370), (104, 243625), (125, 202696), (130, 194900), (200, 126685), (250, 101348), (260, 97450), (325, 77960), (500, 50674), (520, 48725), (650, 38980), (1000, 25337), (1300, 19490), (1625, 15592), (1949, 13000), (2600, 9745), (3250, 7796), (3898, 6500)]