157614280

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{12589}}^1$

素因数の和:12913

約数の個数: 32

約数和(自身を含む): 355793400

約数和(自身を除く): 198179120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 12589, 25178, 50356, 62945, 100712, 125890, 251780, 503560, 3940357, 7880714, 15761428, 19701785, 31522856, 39403570, 78807140, 157614280]

約数ペア:

[(1, 157614280), (2, 78807140), (4, 39403570), (5, 31522856), (8, 19701785), (10, 15761428), (20, 7880714), (40, 3940357), (313, 503560), (626, 251780), (1252, 125890), (1565, 100712), (2504, 62945), (3130, 50356), (6260, 25178), (12520, 12589)]