28925440

素因数分解:

$2^9\times 5^1\times {\mathrm{11299}}^1$

素因数の和:11322

約数の個数: 40

約数和(自身を含む): 69359400

約数和(自身を除く): 40433960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 11299, 22598, 45196, 56495, 90392, 112990, 180784, 225980, 361568, 451960, 723136, 903920, 1446272, 1807840, 2892544, 3615680, 5785088, 7231360, 14462720, 28925440]

約数ペア:

[(1, 28925440), (2, 14462720), (4, 7231360), (5, 5785088), (8, 3615680), (10, 2892544), (16, 1807840), (20, 1446272), (32, 903920), (40, 723136), (64, 451960), (80, 361568), (128, 225980), (160, 180784), (256, 112990), (320, 90392), (512, 56495), (640, 45196), (1280, 22598), (2560, 11299)]