13239400

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 31387500

約数和(自身を除く): 18148100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1249, 1325, 2120, 2498, 2650, 4996, 5300, 6245, 9992, 10600, 12490, 24980, 31225, 49960, 62450, 66197, 124900, 132394, 249800, 264788, 330985, 529576, 661970, 1323940, 1654925, 2647880, 3309850, 6619700, 13239400]

約数ペア:

[(1, 13239400), (2, 6619700), (4, 3309850), (5, 2647880), (8, 1654925), (10, 1323940), (20, 661970), (25, 529576), (40, 330985), (50, 264788), (53, 249800), (100, 132394), (106, 124900), (200, 66197), (212, 62450), (265, 49960), (424, 31225), (530, 24980), (1060, 12490), (1249, 10600), (1325, 9992), (2120, 6245), (2498, 5300), (2650, 4996)]