12747800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4903}}^1$

素因数の和:4932

約数の個数: 48

約数和(自身を含む): 31925040

約数和(自身を除く): 19177240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 4903, 9806, 19612, 24515, 39224, 49030, 63739, 98060, 122575, 127478, 196120, 245150, 254956, 318695, 490300, 509912, 637390, 980600, 1274780, 1593475, 2549560, 3186950, 6373900, 12747800]

約数ペア:

[(1, 12747800), (2, 6373900), (4, 3186950), (5, 2549560), (8, 1593475), (10, 1274780), (13, 980600), (20, 637390), (25, 509912), (26, 490300), (40, 318695), (50, 254956), (52, 245150), (65, 196120), (100, 127478), (104, 122575), (130, 98060), (200, 63739), (260, 49030), (325, 39224), (520, 24515), (650, 19612), (1300, 9806), (2600, 4903)]