197782040

素因数分解:

$2^3\times 5^1\times {\mathrm{1459}}^1\times {\mathrm{3389}}^1$

素因数の和:4859

約数の個数: 32

約数和(自身を含む): 445446000

約数和(自身を除く): 247663960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1459, 2918, 3389, 5836, 6778, 7295, 11672, 13556, 14590, 16945, 27112, 29180, 33890, 58360, 67780, 135560, 4944551, 9889102, 19778204, 24722755, 39556408, 49445510, 98891020, 197782040]

約数ペア:

[(1, 197782040), (2, 98891020), (4, 49445510), (5, 39556408), (8, 24722755), (10, 19778204), (20, 9889102), (40, 4944551), (1459, 135560), (2918, 67780), (3389, 58360), (5836, 33890), (6778, 29180), (7295, 27112), (11672, 16945), (13556, 14590)]