39864016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 80352000

約数和(自身を除く): 40487984

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 179, 248, 358, 449, 496, 716, 898, 1432, 1796, 2864, 3592, 5549, 7184, 11098, 13919, 22196, 27838, 44392, 55676, 80371, 88784, 111352, 160742, 222704, 321484, 642968, 1285936, 2491501, 4983002, 9966004, 19932008, 39864016]

約数ペア:

[(1, 39864016), (2, 19932008), (4, 9966004), (8, 4983002), (16, 2491501), (31, 1285936), (62, 642968), (124, 321484), (179, 222704), (248, 160742), (358, 111352), (449, 88784), (496, 80371), (716, 55676), (898, 44392), (1432, 27838), (1796, 22196), (2864, 13919), (3592, 11098), (5549, 7184)]