25680304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{373}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 53888912

約数和(自身を除く): 28208608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331, 373, 662, 746, 1324, 1492, 2648, 2984, 4303, 4849, 5296, 5968, 8606, 9698, 17212, 19396, 34424, 38792, 68848, 77584, 123463, 246926, 493852, 987704, 1605019, 1975408, 3210038, 6420076, 12840152, 25680304]

約数ペア:

[(1, 25680304), (2, 12840152), (4, 6420076), (8, 3210038), (13, 1975408), (16, 1605019), (26, 987704), (52, 493852), (104, 246926), (208, 123463), (331, 77584), (373, 68848), (662, 38792), (746, 34424), (1324, 19396), (1492, 17212), (2648, 9698), (2984, 8606), (4303, 5968), (4849, 5296)]