40470920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144539}}^1$

素因数の和:144557

約数の個数: 32

約数和(自身を含む): 104068800

約数和(自身を除く): 63597880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144539, 289078, 578156, 722695, 1011773, 1156312, 1445390, 2023546, 2890780, 4047092, 5058865, 5781560, 8094184, 10117730, 20235460, 40470920]

約数ペア:

[(1, 40470920), (2, 20235460), (4, 10117730), (5, 8094184), (7, 5781560), (8, 5058865), (10, 4047092), (14, 2890780), (20, 2023546), (28, 1445390), (35, 1156312), (40, 1011773), (56, 722695), (70, 578156), (140, 289078), (280, 144539)]