26965720

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1373}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 60840720

約数和(自身を除く): 33875000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1373, 1964, 2455, 2746, 3928, 4910, 5492, 6865, 9820, 10984, 13730, 19640, 27460, 54920, 674143, 1348286, 2696572, 3370715, 5393144, 6741430, 13482860, 26965720]

約数ペア:

[(1, 26965720), (2, 13482860), (4, 6741430), (5, 5393144), (8, 3370715), (10, 2696572), (20, 1348286), (40, 674143), (491, 54920), (982, 27460), (1373, 19640), (1964, 13730), (2455, 10984), (2746, 9820), (3928, 6865), (4910, 5492)]