25381376

素因数分解:

$2^9\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:664

約数の個数: 40

約数和(自身を含む): 51375060

約数和(自身を除く): 25993684

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 512, 557, 712, 1114, 1424, 2228, 2848, 4456, 5696, 8912, 11392, 17824, 22784, 35648, 45568, 49573, 71296, 99146, 142592, 198292, 285184, 396584, 793168, 1586336, 3172672, 6345344, 12690688, 25381376]

約数ペア:

[(1, 25381376), (2, 12690688), (4, 6345344), (8, 3172672), (16, 1586336), (32, 793168), (64, 396584), (89, 285184), (128, 198292), (178, 142592), (256, 99146), (356, 71296), (512, 49573), (557, 45568), (712, 35648), (1114, 22784), (1424, 17824), (2228, 11392), (2848, 8912), (4456, 5696)]