12873380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 29588160

約数和(自身を除く): 16714780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 739, 871, 1340, 1478, 1742, 2956, 3484, 3695, 4355, 7390, 8710, 9607, 14780, 17420, 19214, 38428, 48035, 49513, 96070, 99026, 192140, 198052, 247565, 495130, 643669, 990260, 1287338, 2574676, 3218345, 6436690, 12873380]

約数ペア:

[(1, 12873380), (2, 6436690), (4, 3218345), (5, 2574676), (10, 1287338), (13, 990260), (20, 643669), (26, 495130), (52, 247565), (65, 198052), (67, 192140), (130, 99026), (134, 96070), (260, 49513), (268, 48035), (335, 38428), (670, 19214), (739, 17420), (871, 14780), (1340, 9607), (1478, 8710), (1742, 7390), (2956, 4355), (3484, 3695)]