12891800

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 30418440

約数和(自身を除く): 17526640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 200, 292, 365, 584, 730, 883, 1460, 1766, 1825, 2920, 3532, 3650, 4415, 7064, 7300, 8830, 14600, 17660, 22075, 35320, 44150, 64459, 88300, 128918, 176600, 257836, 322295, 515672, 644590, 1289180, 1611475, 2578360, 3222950, 6445900, 12891800]

約数ペア:

[(1, 12891800), (2, 6445900), (4, 3222950), (5, 2578360), (8, 1611475), (10, 1289180), (20, 644590), (25, 515672), (40, 322295), (50, 257836), (73, 176600), (100, 128918), (146, 88300), (200, 64459), (292, 44150), (365, 35320), (584, 22075), (730, 17660), (883, 14600), (1460, 8830), (1766, 7300), (1825, 7064), (2920, 4415), (3532, 3650)]