27982520

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 37335880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 71, 118, 142, 167, 236, 284, 295, 334, 355, 472, 568, 590, 668, 710, 835, 1180, 1336, 1420, 1670, 2360, 2840, 3340, 4189, 6680, 8378, 9853, 11857, 16756, 19706, 20945, 23714, 33512, 39412, 41890, 47428, 49265, 59285, 78824, 83780, 94856, 98530, 118570, 167560, 197060, 237140, 394120, 474280, 699563, 1399126, 2798252, 3497815, 5596504, 6995630, 13991260, 27982520]

約数ペア:

[(1, 27982520), (2, 13991260), (4, 6995630), (5, 5596504), (8, 3497815), (10, 2798252), (20, 1399126), (40, 699563), (59, 474280), (71, 394120), (118, 237140), (142, 197060), (167, 167560), (236, 118570), (284, 98530), (295, 94856), (334, 83780), (355, 78824), (472, 59285), (568, 49265), (590, 47428), (668, 41890), (710, 39412), (835, 33512), (1180, 23714), (1336, 20945), (1420, 19706), (1670, 16756), (2360, 11857), (2840, 9853), (3340, 8378), (4189, 6680)]