12951040

素因数分解:

$2^9\times 5^1\times {\mathrm{5059}}^1$

素因数の和:5082

約数の個数: 40

約数和(自身を含む): 31058280

約数和(自身を除く): 18107240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 5059, 10118, 20236, 25295, 40472, 50590, 80944, 101180, 161888, 202360, 323776, 404720, 647552, 809440, 1295104, 1618880, 2590208, 3237760, 6475520, 12951040]

約数ペア:

[(1, 12951040), (2, 6475520), (4, 3237760), (5, 2590208), (8, 1618880), (10, 1295104), (16, 809440), (20, 647552), (32, 404720), (40, 323776), (64, 202360), (80, 161888), (128, 101180), (160, 80944), (256, 50590), (320, 40472), (512, 25295), (640, 20236), (1280, 10118), (2560, 5059)]