40985840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73189}}^1$

素因数の和:73209

約数の個数: 40

約数和(自身を含む): 108906720

約数和(自身を除く): 67920880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 73189, 146378, 292756, 365945, 512323, 585512, 731890, 1024646, 1171024, 1463780, 2049292, 2561615, 2927560, 4098584, 5123230, 5855120, 8197168, 10246460, 20492920, 40985840]

約数ペア:

[(1, 40985840), (2, 20492920), (4, 10246460), (5, 8197168), (7, 5855120), (8, 5123230), (10, 4098584), (14, 2927560), (16, 2561615), (20, 2049292), (28, 1463780), (35, 1171024), (40, 1024646), (56, 731890), (70, 585512), (80, 512323), (112, 365945), (140, 292756), (280, 146378), (560, 73189)]