16407640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21589}}^1$

素因数の和:21619

約数の個数: 32

約数和(自身を含む): 38862000

約数和(自身を除く): 22454360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21589, 43178, 86356, 107945, 172712, 215890, 410191, 431780, 820382, 863560, 1640764, 2050955, 3281528, 4101910, 8203820, 16407640]

約数ペア:

[(1, 16407640), (2, 8203820), (4, 4101910), (5, 3281528), (8, 2050955), (10, 1640764), (19, 863560), (20, 820382), (38, 431780), (40, 410191), (76, 215890), (95, 172712), (152, 107945), (190, 86356), (380, 43178), (760, 21589)]