4887880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1373}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 11129400

約数和(自身を除く): 6241520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1373, 1780, 2746, 3560, 5492, 6865, 10984, 13730, 27460, 54920, 122197, 244394, 488788, 610985, 977576, 1221970, 2443940, 4887880]

約数ペア:

[(1, 4887880), (2, 2443940), (4, 1221970), (5, 977576), (8, 610985), (10, 488788), (20, 244394), (40, 122197), (89, 54920), (178, 27460), (356, 13730), (445, 10984), (712, 6865), (890, 5492), (1373, 3560), (1780, 2746)]