25423360

素因数分解:

$2^9\times 5^1\times {\mathrm{9931}}^1$

素因数の和:9954

約数の個数: 40

約数和(自身を含む): 60962616

約数和(自身を除く): 35539256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 9931, 19862, 39724, 49655, 79448, 99310, 158896, 198620, 317792, 397240, 635584, 794480, 1271168, 1588960, 2542336, 3177920, 5084672, 6355840, 12711680, 25423360]

約数ペア:

[(1, 25423360), (2, 12711680), (4, 6355840), (5, 5084672), (8, 3177920), (10, 2542336), (16, 1588960), (20, 1271168), (32, 794480), (40, 635584), (64, 397240), (80, 317792), (128, 198620), (160, 158896), (256, 99310), (320, 79448), (512, 49655), (640, 39724), (1280, 19862), (2560, 9931)]