1778680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 4082400

約数和(自身を除く): 2303720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 839, 1060, 1678, 2120, 3356, 4195, 6712, 8390, 16780, 33560, 44467, 88934, 177868, 222335, 355736, 444670, 889340, 1778680]

約数ペア:

[(1, 1778680), (2, 889340), (4, 444670), (5, 355736), (8, 222335), (10, 177868), (20, 88934), (40, 44467), (53, 33560), (106, 16780), (212, 8390), (265, 6712), (424, 4195), (530, 3356), (839, 2120), (1060, 1678)]