87145840

素因数分解:

$2^4\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1439}}^1$

素因数の和:2209

約数の個数: 40

約数和(自身を含む): 203022720

約数和(自身を除く): 115876880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 757, 1439, 1514, 2878, 3028, 3785, 5756, 6056, 7195, 7570, 11512, 12112, 14390, 15140, 23024, 28780, 30280, 57560, 60560, 115120, 1089323, 2178646, 4357292, 5446615, 8714584, 10893230, 17429168, 21786460, 43572920, 87145840]

約数ペア:

[(1, 87145840), (2, 43572920), (4, 21786460), (5, 17429168), (8, 10893230), (10, 8714584), (16, 5446615), (20, 4357292), (40, 2178646), (80, 1089323), (757, 115120), (1439, 60560), (1514, 57560), (2878, 30280), (3028, 28780), (3785, 23024), (5756, 15140), (6056, 14390), (7195, 12112), (7570, 11512)]