42727760

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1373}}^1$

素因数の和:1775

約数の個数: 40

約数和(自身を含む): 99669960

約数和(自身を除く): 56942200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1373, 1556, 1945, 2746, 3112, 3890, 5492, 6224, 6865, 7780, 10984, 13730, 15560, 21968, 27460, 31120, 54920, 109840, 534097, 1068194, 2136388, 2670485, 4272776, 5340970, 8545552, 10681940, 21363880, 42727760]

約数ペア:

[(1, 42727760), (2, 21363880), (4, 10681940), (5, 8545552), (8, 5340970), (10, 4272776), (16, 2670485), (20, 2136388), (40, 1068194), (80, 534097), (389, 109840), (778, 54920), (1373, 31120), (1556, 27460), (1945, 21968), (2746, 15560), (3112, 13730), (3890, 10984), (5492, 7780), (6224, 6865)]