31546880

素因数分解:

$2^9\times 5^1\times {\mathrm{12323}}^1$

素因数の和:12346

約数の個数: 40

約数和(自身を含む): 75644712

約数和(自身を除く): 44097832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 12323, 24646, 49292, 61615, 98584, 123230, 197168, 246460, 394336, 492920, 788672, 985840, 1577344, 1971680, 3154688, 3943360, 6309376, 7886720, 15773440, 31546880]

約数ペア:

[(1, 31546880), (2, 15773440), (4, 7886720), (5, 6309376), (8, 3943360), (10, 3154688), (16, 1971680), (20, 1577344), (32, 985840), (40, 788672), (64, 492920), (80, 394336), (128, 246460), (160, 197168), (256, 123230), (320, 98584), (512, 61615), (640, 49292), (1280, 24646), (2560, 12323)]