27845560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16979}}^1$

素因数の和:17031

約数の個数: 32

約数和(自身を含む): 64184400

約数和(自身を除く): 36338840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16979, 33958, 67916, 84895, 135832, 169790, 339580, 679160, 696139, 1392278, 2784556, 3480695, 5569112, 6961390, 13922780, 27845560]

約数ペア:

[(1, 27845560), (2, 13922780), (4, 6961390), (5, 5569112), (8, 3480695), (10, 2784556), (20, 1392278), (40, 696139), (41, 679160), (82, 339580), (164, 169790), (205, 135832), (328, 84895), (410, 67916), (820, 33958), (1640, 16979)]