28826240

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 69969960

約数和(自身を除く): 41143720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 617, 640, 730, 1168, 1234, 1460, 2336, 2468, 2920, 3085, 4672, 4936, 5840, 6170, 9344, 9872, 11680, 12340, 19744, 23360, 24680, 39488, 45041, 46720, 49360, 78976, 90082, 98720, 180164, 197440, 225205, 360328, 394880, 450410, 720656, 900820, 1441312, 1801640, 2882624, 3603280, 5765248, 7206560, 14413120, 28826240]

約数ペア:

[(1, 28826240), (2, 14413120), (4, 7206560), (5, 5765248), (8, 3603280), (10, 2882624), (16, 1801640), (20, 1441312), (32, 900820), (40, 720656), (64, 450410), (73, 394880), (80, 360328), (128, 225205), (146, 197440), (160, 180164), (292, 98720), (320, 90082), (365, 78976), (584, 49360), (617, 46720), (640, 45041), (730, 39488), (1168, 24680), (1234, 23360), (1460, 19744), (2336, 12340), (2468, 11680), (2920, 9872), (3085, 9344), (4672, 6170), (4936, 5840)]