25864016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:747

約数の個数: 40

約数和(自身を含む): 53196000

約数和(自身を除く): 27331984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 149, 152, 298, 304, 571, 596, 1142, 1192, 2284, 2384, 2831, 4568, 5662, 9136, 10849, 11324, 21698, 22648, 43396, 45296, 85079, 86792, 170158, 173584, 340316, 680632, 1361264, 1616501, 3233002, 6466004, 12932008, 25864016]

約数ペア:

[(1, 25864016), (2, 12932008), (4, 6466004), (8, 3233002), (16, 1616501), (19, 1361264), (38, 680632), (76, 340316), (149, 173584), (152, 170158), (298, 86792), (304, 85079), (571, 45296), (596, 43396), (1142, 22648), (1192, 21698), (2284, 11324), (2384, 10849), (2831, 9136), (4568, 5662)]