40201840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71789}}^1$

素因数の和:71809

約数の個数: 40

約数和(自身を含む): 106823520

約数和(自身を除く): 66621680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71789, 143578, 287156, 358945, 502523, 574312, 717890, 1005046, 1148624, 1435780, 2010092, 2512615, 2871560, 4020184, 5025230, 5743120, 8040368, 10050460, 20100920, 40201840]

約数ペア:

[(1, 40201840), (2, 20100920), (4, 10050460), (5, 8040368), (7, 5743120), (8, 5025230), (10, 4020184), (14, 2871560), (16, 2512615), (20, 2010092), (28, 1435780), (35, 1148624), (40, 1005046), (56, 717890), (70, 574312), (80, 502523), (112, 358945), (140, 287156), (280, 143578), (560, 71789)]